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Finding the Fourth Proportional to 417,200.40, 625,800.60 and 372,913.65

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Solution

The fourth proportional to 417,200.40, 625,800.60 and 372,913.65 is: 559,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,200.40 : 625,800.60 = 372,913.65 : x
  2. Step 2: Convert to fraction form
    417,200.40/625,800.60 = 372,913.65/x
  3. Step 3: Cross multiply
    417,200.40x = 625,800.60 × 372,913.65
  4. Step 4: Simplify right side
    417,200.40x = 233,369,585,918.19
  5. Step 5: Solve for x
    x = 233,369,585,918.19/417,200.40
  6. Step 6: Final answer
    x = 559,370.48

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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.