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Finding the Fourth Proportional to 535,472.85, 804,521.48 and 402,612.60

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Solution

The fourth proportional to 535,472.85, 804,521.48 and 402,612.60 is: 604,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,472.85 : 804,521.48 = 402,612.60 : x
  2. Step 2: Convert to fraction form
    535,472.85/804,521.48 = 402,612.60/x
  3. Step 3: Cross multiply
    535,472.85x = 804,521.48 × 402,612.60
  4. Step 4: Simplify right side
    535,472.85x = 323,910,482,805.59
  5. Step 5: Solve for x
    x = 323,910,482,805.59/535,472.85
  6. Step 6: Final answer
    x = 604,905.52

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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.