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Finding the Fourth Proportional to 436,702.77, 602,609.96 and 255,383.16

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Solution

The fourth proportional to 436,702.77, 602,609.96 and 255,383.16 is: 352,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,702.77 : 602,609.96 = 255,383.16 : x
  2. Step 2: Convert to fraction form
    436,702.77/602,609.96 = 255,383.16/x
  3. Step 3: Cross multiply
    436,702.77x = 602,609.96 × 255,383.16
  4. Step 4: Simplify right side
    436,702.77x = 153,896,434,555.36
  5. Step 5: Solve for x
    x = 153,896,434,555.36/436,702.77
  6. Step 6: Final answer
    x = 352,405.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.