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Finding the Fourth Proportional to 417,332.40, 625,998.60 and 251,444.40

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Solution

The fourth proportional to 417,332.40, 625,998.60 and 251,444.40 is: 377,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,332.40 : 625,998.60 = 251,444.40 : x
  2. Step 2: Convert to fraction form
    417,332.40/625,998.60 = 251,444.40/x
  3. Step 3: Cross multiply
    417,332.40x = 625,998.60 × 251,444.40
  4. Step 4: Simplify right side
    417,332.40x = 157,403,842,377.84
  5. Step 5: Solve for x
    x = 157,403,842,377.84/417,332.40
  6. Step 6: Final answer
    x = 377,166.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.