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Finding the Fourth Proportional to 657,002.30, 985,503.45 and 183,686.90

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Solution

The fourth proportional to 657,002.30, 985,503.45 and 183,686.90 is: 275,530.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,002.30 : 985,503.45 = 183,686.90 : x
  2. Step 2: Convert to fraction form
    657,002.30/985,503.45 = 183,686.90/x
  3. Step 3: Cross multiply
    657,002.30x = 985,503.45 × 183,686.90
  4. Step 4: Simplify right side
    657,002.30x = 181,024,073,669.81
  5. Step 5: Solve for x
    x = 181,024,073,669.81/657,002.30
  6. Step 6: Final answer
    x = 275,530.35

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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.