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Finding the Fourth Proportional to 431,907.60, 596,032.08 and 240,920.88

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Solution

The fourth proportional to 431,907.60, 596,032.08 and 240,920.88 is: 332,470.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,907.60 : 596,032.08 = 240,920.88 : x
  2. Step 2: Convert to fraction form
    431,907.60/596,032.08 = 240,920.88/x
  3. Step 3: Cross multiply
    431,907.60x = 596,032.08 × 240,920.88
  4. Step 4: Simplify right side
    431,907.60x = 143,596,573,221.83
  5. Step 5: Solve for x
    x = 143,596,573,221.83/431,907.60
  6. Step 6: Final answer
    x = 332,470.59

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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.