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Finding the Fourth Proportional to 417,907.01, 576,711.67 and 226,920.40

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Solution

The fourth proportional to 417,907.01, 576,711.67 and 226,920.40 is: 313,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,907.01 : 576,711.67 = 226,920.40 : x
  2. Step 2: Convert to fraction form
    417,907.01/576,711.67 = 226,920.40/x
  3. Step 3: Cross multiply
    417,907.01x = 576,711.67 × 226,920.40
  4. Step 4: Simplify right side
    417,907.01x = 130,867,642,841.07
  5. Step 5: Solve for x
    x = 130,867,642,841.07/417,907.01
  6. Step 6: Final answer
    x = 313,150.15

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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.