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Finding the Fourth Proportional to 580,856.40, 871,284.60 and 565,304.40

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Solution

The fourth proportional to 580,856.40, 871,284.60 and 565,304.40 is: 847,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,856.40 : 871,284.60 = 565,304.40 : x
  2. Step 2: Convert to fraction form
    580,856.40/871,284.60 = 565,304.40/x
  3. Step 3: Cross multiply
    580,856.40x = 871,284.60 × 565,304.40
  4. Step 4: Simplify right side
    580,856.40x = 492,541,018,032.24
  5. Step 5: Solve for x
    x = 492,541,018,032.24/580,856.40
  6. Step 6: Final answer
    x = 847,956.60

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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.