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Finding the Fourth Proportional to 626,242.96, 938,155.48 and 373,725.24

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Solution

The fourth proportional to 626,242.96, 938,155.48 and 373,725.24 is: 559,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,242.96 : 938,155.48 = 373,725.24 : x
  2. Step 2: Convert to fraction form
    626,242.96/938,155.48 = 373,725.24/x
  3. Step 3: Cross multiply
    626,242.96x = 938,155.48 × 373,725.24
  4. Step 4: Simplify right side
    626,242.96x = 350,612,381,920.32
  5. Step 5: Solve for x
    x = 350,612,381,920.32/626,242.96
  6. Step 6: Final answer
    x = 559,866.38

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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.