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Finding the Fourth Proportional to 974,778.40, 1,459,543.20 and 974,778.40

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Solution

The fourth proportional to 974,778.40, 1,459,543.20 and 974,778.40 is: 1,459,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,778.40 : 1,459,543.20 = 974,778.40 : x
  2. Step 2: Convert to fraction form
    974,778.40/1,459,543.20 = 974,778.40/x
  3. Step 3: Cross multiply
    974,778.40x = 1,459,543.20 × 974,778.40
  4. Step 4: Simplify right side
    974,778.40x = 1,422,731,185,226.88
  5. Step 5: Solve for x
    x = 1,422,731,185,226.88/974,778.40
  6. Step 6: Final answer
    x = 1,459,543.20

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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.