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Finding the Fourth Proportional to 601,281.88, 829,370.25 and 386,693.44

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Solution

The fourth proportional to 601,281.88, 829,370.25 and 386,693.44 is: 533,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,281.88 : 829,370.25 = 386,693.44 : x
  2. Step 2: Convert to fraction form
    601,281.88/829,370.25 = 386,693.44/x
  3. Step 3: Cross multiply
    601,281.88x = 829,370.25 × 386,693.44
  4. Step 4: Simplify right side
    601,281.88x = 320,712,035,006.16
  5. Step 5: Solve for x
    x = 320,712,035,006.16/601,281.88
  6. Step 6: Final answer
    x = 533,380.51

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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.