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Finding the Fourth Proportional to 528,814.01, 791,709.56 and 495,294.59

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Solution

The fourth proportional to 528,814.01, 791,709.56 and 495,294.59 is: 741,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,814.01 : 791,709.56 = 495,294.59 : x
  2. Step 2: Convert to fraction form
    528,814.01/791,709.56 = 495,294.59/x
  3. Step 3: Cross multiply
    528,814.01x = 791,709.56 × 495,294.59
  4. Step 4: Simplify right side
    528,814.01x = 392,129,459,442.81
  5. Step 5: Solve for x
    x = 392,129,459,442.81/528,814.01
  6. Step 6: Final answer
    x = 741,526.23

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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.