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Finding the Fourth Proportional to 577,354.04, 865,929.00 and 156,662.72

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Solution

The fourth proportional to 577,354.04, 865,929.00 and 156,662.72 is: 234,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,354.04 : 865,929.00 = 156,662.72 : x
  2. Step 2: Convert to fraction form
    577,354.04/865,929.00 = 156,662.72/x
  3. Step 3: Cross multiply
    577,354.04x = 865,929.00 × 156,662.72
  4. Step 4: Simplify right side
    577,354.04x = 135,658,795,023.36
  5. Step 5: Solve for x
    x = 135,658,795,023.36/577,354.04
  6. Step 6: Final answer
    x = 234,966.39

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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.