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Finding the Fourth Proportional to 706,695.60, 975,336.48 and 480,414

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Solution

The fourth proportional to 706,695.60, 975,336.48 and 480,414 is: 663,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,695.60 : 975,336.48 = 480,414 : x
  2. Step 2: Convert to fraction form
    706,695.60/975,336.48 = 480,414/x
  3. Step 3: Cross multiply
    706,695.60x = 975,336.48 × 480,414
  4. Step 4: Simplify right side
    706,695.60x = 468,565,299,702.72
  5. Step 5: Solve for x
    x = 468,565,299,702.72/706,695.60
  6. Step 6: Final answer
    x = 663,036.96

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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.