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Finding the Fourth Proportional to 567,555.49, 783,281.75 and 424,066.42

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Solution

The fourth proportional to 567,555.49, 783,281.75 and 424,066.42 is: 585,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,555.49 : 783,281.75 = 424,066.42 : x
  2. Step 2: Convert to fraction form
    567,555.49/783,281.75 = 424,066.42/x
  3. Step 3: Cross multiply
    567,555.49x = 783,281.75 × 424,066.42
  4. Step 4: Simplify right side
    567,555.49x = 332,163,486,432.61
  5. Step 5: Solve for x
    x = 332,163,486,432.61/567,555.49
  6. Step 6: Final answer
    x = 585,252.88

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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.