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Finding the Fourth Proportional to 624,117.40, 936,500.10 and 291,693.40

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Solution

The fourth proportional to 624,117.40, 936,500.10 and 291,693.40 is: 437,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,117.40 : 936,500.10 = 291,693.40 : x
  2. Step 2: Convert to fraction form
    624,117.40/936,500.10 = 291,693.40/x
  3. Step 3: Cross multiply
    624,117.40x = 936,500.10 × 291,693.40
  4. Step 4: Simplify right side
    624,117.40x = 273,170,898,269.34
  5. Step 5: Solve for x
    x = 273,170,898,269.34/624,117.40
  6. Step 6: Final answer
    x = 437,691.53

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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.