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Finding the Fourth Proportional to 580,095.60, 870,143.40 and 540,729.60

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Solution

The fourth proportional to 580,095.60, 870,143.40 and 540,729.60 is: 811,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,095.60 : 870,143.40 = 540,729.60 : x
  2. Step 2: Convert to fraction form
    580,095.60/870,143.40 = 540,729.60/x
  3. Step 3: Cross multiply
    580,095.60x = 870,143.40 × 540,729.60
  4. Step 4: Simplify right side
    580,095.60x = 470,512,292,624.64
  5. Step 5: Solve for x
    x = 470,512,292,624.64/580,095.60
  6. Step 6: Final answer
    x = 811,094.40

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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.