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Finding the Fourth Proportional to 704,842.20, 972,657.54 and 382,545.84

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Solution

The fourth proportional to 704,842.20, 972,657.54 and 382,545.84 is: 527,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,842.20 : 972,657.54 = 382,545.84 : x
  2. Step 2: Convert to fraction form
    704,842.20/972,657.54 = 382,545.84/x
  3. Step 3: Cross multiply
    704,842.20x = 972,657.54 × 382,545.84
  4. Step 4: Simplify right side
    704,842.20x = 372,086,095,671.63
  5. Step 5: Solve for x
    x = 372,086,095,671.63/704,842.20
  6. Step 6: Final answer
    x = 527,899.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.