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Finding the Fourth Proportional to 607,655.75, 838,801.16 and 543,882.83

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Solution

The fourth proportional to 607,655.75, 838,801.16 and 543,882.83 is: 750,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,655.75 : 838,801.16 = 543,882.83 : x
  2. Step 2: Convert to fraction form
    607,655.75/838,801.16 = 543,882.83/x
  3. Step 3: Cross multiply
    607,655.75x = 838,801.16 × 543,882.83
  4. Step 4: Simplify right side
    607,655.75x = 456,209,541,794.66
  5. Step 5: Solve for x
    x = 456,209,541,794.66/607,655.75
  6. Step 6: Final answer
    x = 750,769.73

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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.