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Finding the Fourth Proportional to 624,148.13, 861,330.65 and 337,674.38

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Solution

The fourth proportional to 624,148.13, 861,330.65 and 337,674.38 is: 465,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,148.13 : 861,330.65 = 337,674.38 : x
  2. Step 2: Convert to fraction form
    624,148.13/861,330.65 = 337,674.38/x
  3. Step 3: Cross multiply
    624,148.13x = 861,330.65 × 337,674.38
  4. Step 4: Simplify right side
    624,148.13x = 290,849,287,218.72
  5. Step 5: Solve for x
    x = 290,849,287,218.72/624,148.13
  6. Step 6: Final answer
    x = 465,994.01

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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.