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Finding the Fourth Proportional to 581,254.40, 871,881.60 and 537,951.80

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Solution

The fourth proportional to 581,254.40, 871,881.60 and 537,951.80 is: 806,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,254.40 : 871,881.60 = 537,951.80 : x
  2. Step 2: Convert to fraction form
    581,254.40/871,881.60 = 537,951.80/x
  3. Step 3: Cross multiply
    581,254.40x = 871,881.60 × 537,951.80
  4. Step 4: Simplify right side
    581,254.40x = 469,030,276,106.88
  5. Step 5: Solve for x
    x = 469,030,276,106.88/581,254.40
  6. Step 6: Final answer
    x = 806,927.70

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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.