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Finding the Fourth Proportional to 581,348.64, 872,014.28 and 160,615.20

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Solution

The fourth proportional to 581,348.64, 872,014.28 and 160,615.20 is: 240,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,348.64 : 872,014.28 = 160,615.20 : x
  2. Step 2: Convert to fraction form
    581,348.64/872,014.28 = 160,615.20/x
  3. Step 3: Cross multiply
    581,348.64x = 872,014.28 × 160,615.20
  4. Step 4: Simplify right side
    581,348.64x = 140,058,747,985.06
  5. Step 5: Solve for x
    x = 140,058,747,985.06/581,348.64
  6. Step 6: Final answer
    x = 240,920.40

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Similar ratio
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1.5x scale

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.