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Finding the Fourth Proportional to 546,253.74, 753,830.64 and 304,531.47

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Solution

The fourth proportional to 546,253.74, 753,830.64 and 304,531.47 is: 420,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,253.74 : 753,830.64 = 304,531.47 : x
  2. Step 2: Convert to fraction form
    546,253.74/753,830.64 = 304,531.47/x
  3. Step 3: Cross multiply
    546,253.74x = 753,830.64 × 304,531.47
  4. Step 4: Simplify right side
    546,253.74x = 229,565,152,930.24
  5. Step 5: Solve for x
    x = 229,565,152,930.24/546,253.74
  6. Step 6: Final answer
    x = 420,253.70

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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.