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Finding the Fourth Proportional to 580,710.71, 871,187.01 and 292,684.23

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Solution

The fourth proportional to 580,710.71, 871,187.01 and 292,684.23 is: 439,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,710.71 : 871,187.01 = 292,684.23 : x
  2. Step 2: Convert to fraction form
    580,710.71/871,187.01 = 292,684.23/x
  3. Step 3: Cross multiply
    580,710.71x = 871,187.01 × 292,684.23
  4. Step 4: Simplify right side
    580,710.71x = 254,982,699,756.64
  5. Step 5: Solve for x
    x = 254,982,699,756.64/580,710.71
  6. Step 6: Final answer
    x = 439,087.30

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Double scale
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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.