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Finding the Fourth Proportional to 607,385.10, 838,197.72 and 335,459.82

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Solution

The fourth proportional to 607,385.10, 838,197.72 and 335,459.82 is: 462,938.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,385.10 : 838,197.72 = 335,459.82 : x
  2. Step 2: Convert to fraction form
    607,385.10/838,197.72 = 335,459.82/x
  3. Step 3: Cross multiply
    607,385.10x = 838,197.72 × 335,459.82
  4. Step 4: Simplify right side
    607,385.10x = 281,181,656,275.61
  5. Step 5: Solve for x
    x = 281,181,656,275.61/607,385.10
  6. Step 6: Final answer
    x = 462,938.02

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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.