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Finding the Fourth Proportional to 575,071.92, 862,607.88 and 220,194.72

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Solution

The fourth proportional to 575,071.92, 862,607.88 and 220,194.72 is: 330,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,071.92 : 862,607.88 = 220,194.72 : x
  2. Step 2: Convert to fraction form
    575,071.92/862,607.88 = 220,194.72/x
  3. Step 3: Cross multiply
    575,071.92x = 862,607.88 × 220,194.72
  4. Step 4: Simplify right side
    575,071.92x = 189,941,700,606.39
  5. Step 5: Solve for x
    x = 189,941,700,606.39/575,071.92
  6. Step 6: Final answer
    x = 330,292.08

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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.