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Finding the Fourth Proportional to 624,176.40, 936,588.60 and 291,752.40

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Solution

The fourth proportional to 624,176.40, 936,588.60 and 291,752.40 is: 437,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,176.40 : 936,588.60 = 291,752.40 : x
  2. Step 2: Convert to fraction form
    624,176.40/936,588.60 = 291,752.40/x
  3. Step 3: Cross multiply
    624,176.40x = 936,588.60 × 291,752.40
  4. Step 4: Simplify right side
    624,176.40x = 273,251,971,862.64
  5. Step 5: Solve for x
    x = 273,251,971,862.64/624,176.40
  6. Step 6: Final answer
    x = 437,780.04

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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.