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Finding the Fourth Proportional to 529,737.60, 794,606.40 and 470,251.20

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Solution

The fourth proportional to 529,737.60, 794,606.40 and 470,251.20 is: 705,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,737.60 : 794,606.40 = 470,251.20 : x
  2. Step 2: Convert to fraction form
    529,737.60/794,606.40 = 470,251.20/x
  3. Step 3: Cross multiply
    529,737.60x = 794,606.40 × 470,251.20
  4. Step 4: Simplify right side
    529,737.60x = 373,664,613,127.68
  5. Step 5: Solve for x
    x = 373,664,613,127.68/529,737.60
  6. Step 6: Final answer
    x = 705,376.80

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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.