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Finding the Fourth Proportional to 707,767.20, 1,060,959.60 and 633,117.60

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Solution

The fourth proportional to 707,767.20, 1,060,959.60 and 633,117.60 is: 949,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,767.20 : 1,060,959.60 = 633,117.60 : x
  2. Step 2: Convert to fraction form
    707,767.20/1,060,959.60 = 633,117.60/x
  3. Step 3: Cross multiply
    707,767.20x = 1,060,959.60 × 633,117.60
  4. Step 4: Simplify right side
    707,767.20x = 671,712,195,648.96
  5. Step 5: Solve for x
    x = 671,712,195,648.96/707,767.20
  6. Step 6: Final answer
    x = 949,058.10

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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.