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Finding the Fourth Proportional to 699,167.52, 964,255.86 and 590,801.40

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Solution

The fourth proportional to 699,167.52, 964,255.86 and 590,801.40 is: 814,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,167.52 : 964,255.86 = 590,801.40 : x
  2. Step 2: Convert to fraction form
    699,167.52/964,255.86 = 590,801.40/x
  3. Step 3: Cross multiply
    699,167.52x = 964,255.86 × 590,801.40
  4. Step 4: Simplify right side
    699,167.52x = 569,683,712,046.20
  5. Step 5: Solve for x
    x = 569,683,712,046.20/699,167.52
  6. Step 6: Final answer
    x = 814,802.88

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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.