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Finding the Fourth Proportional to 661,702.13, 992,553.19 and 163,066.13

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Solution

The fourth proportional to 661,702.13, 992,553.19 and 163,066.13 is: 244,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,702.13 : 992,553.19 = 163,066.13 : x
  2. Step 2: Convert to fraction form
    661,702.13/992,553.19 = 163,066.13/x
  3. Step 3: Cross multiply
    661,702.13x = 992,553.19 × 163,066.13
  4. Step 4: Simplify right side
    661,702.13x = 161,851,807,512.46
  5. Step 5: Solve for x
    x = 161,851,807,512.46/661,702.13
  6. Step 6: Final answer
    x = 244,599.19

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.