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Finding the Fourth Proportional to 710,712.72, 1,066,025.16 and 237,358.44

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Solution

The fourth proportional to 710,712.72, 1,066,025.16 and 237,358.44 is: 356,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,712.72 : 1,066,025.16 = 237,358.44 : x
  2. Step 2: Convert to fraction form
    710,712.72/1,066,025.16 = 237,358.44/x
  3. Step 3: Cross multiply
    710,712.72x = 1,066,025.16 × 237,358.44
  4. Step 4: Simplify right side
    710,712.72x = 253,030,068,978.35
  5. Step 5: Solve for x
    x = 253,030,068,978.35/710,712.72
  6. Step 6: Final answer
    x = 356,022.99

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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.