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Finding the Fourth Proportional to 417,335.40, 575,922.96 and 226,347.12

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Solution

The fourth proportional to 417,335.40, 575,922.96 and 226,347.12 is: 312,359.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,335.40 : 575,922.96 = 226,347.12 : x
  2. Step 2: Convert to fraction form
    417,335.40/575,922.96 = 226,347.12/x
  3. Step 3: Cross multiply
    417,335.40x = 575,922.96 × 226,347.12
  4. Step 4: Simplify right side
    417,335.40x = 130,358,503,337.88
  5. Step 5: Solve for x
    x = 130,358,503,337.88/417,335.40
  6. Step 6: Final answer
    x = 312,359.08

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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.