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Finding the Fourth Proportional to 500,335.76, 750,277.06 and 215,892.08

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Solution

The fourth proportional to 500,335.76, 750,277.06 and 215,892.08 is: 323,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,335.76 : 750,277.06 = 215,892.08 : x
  2. Step 2: Convert to fraction form
    500,335.76/750,277.06 = 215,892.08/x
  3. Step 3: Cross multiply
    500,335.76x = 750,277.06 × 215,892.08
  4. Step 4: Simplify right side
    500,335.76x = 161,978,875,059.69
  5. Step 5: Solve for x
    x = 161,978,875,059.69/500,335.76
  6. Step 6: Final answer
    x = 323,740.35

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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.