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Finding the Fourth Proportional to 529,027.80, 793,541.70 and 452,920.20

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Solution

The fourth proportional to 529,027.80, 793,541.70 and 452,920.20 is: 679,380.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,027.80 : 793,541.70 = 452,920.20 : x
  2. Step 2: Convert to fraction form
    529,027.80/793,541.70 = 452,920.20/x
  3. Step 3: Cross multiply
    529,027.80x = 793,541.70 × 452,920.20
  4. Step 4: Simplify right side
    529,027.80x = 359,411,065,472.34
  5. Step 5: Solve for x
    x = 359,411,065,472.34/529,027.80
  6. Step 6: Final answer
    x = 679,380.30

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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.