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Finding the Fourth Proportional to 585,615.60, 876,479.40 and 425,235.60

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Solution

The fourth proportional to 585,615.60, 876,479.40 and 425,235.60 is: 636,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,615.60 : 876,479.40 = 425,235.60 : x
  2. Step 2: Convert to fraction form
    585,615.60/876,479.40 = 425,235.60/x
  3. Step 3: Cross multiply
    585,615.60x = 876,479.40 × 425,235.60
  4. Step 4: Simplify right side
    585,615.60x = 372,710,243,546.64
  5. Step 5: Solve for x
    x = 372,710,243,546.64/585,615.60
  6. Step 6: Final answer
    x = 636,441.79

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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.