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Finding the Fourth Proportional to 528,796.47, 792,407.11 and 292,206.81

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Solution

The fourth proportional to 528,796.47, 792,407.11 and 292,206.81 is: 437,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,796.47 : 792,407.11 = 292,206.81 : x
  2. Step 2: Convert to fraction form
    528,796.47/792,407.11 = 292,206.81/x
  3. Step 3: Cross multiply
    528,796.47x = 792,407.11 × 292,206.81
  4. Step 4: Simplify right side
    528,796.47x = 231,546,753,834.42
  5. Step 5: Solve for x
    x = 231,546,753,834.42/528,796.47
  6. Step 6: Final answer
    x = 437,875.00

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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.