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Finding the Fourth Proportional to 974,527.20, 1,459,717.20 and 808,639.20

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Solution

The fourth proportional to 974,527.20, 1,459,717.20 and 808,639.20 is: 1,211,238.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,527.20 : 1,459,717.20 = 808,639.20 : x
  2. Step 2: Convert to fraction form
    974,527.20/1,459,717.20 = 808,639.20/x
  3. Step 3: Cross multiply
    974,527.20x = 1,459,717.20 × 808,639.20
  4. Step 4: Simplify right side
    974,527.20x = 1,180,384,548,834.24
  5. Step 5: Solve for x
    x = 1,180,384,548,834.24/974,527.20
  6. Step 6: Final answer
    x = 1,211,238.18

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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.