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Finding the Fourth Proportional to 886,562, 1,223,462.28 and 484,154

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Solution

The fourth proportional to 886,562, 1,223,462.28 and 484,154 is: 668,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,562 : 1,223,462.28 = 484,154 : x
  2. Step 2: Convert to fraction form
    886,562/1,223,462.28 = 484,154/x
  3. Step 3: Cross multiply
    886,562x = 1,223,462.28 × 484,154
  4. Step 4: Simplify right side
    886,562x = 592,344,156,711.12
  5. Step 5: Solve for x
    x = 592,344,156,711.12/886,562
  6. Step 6: Final answer
    x = 668,136.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.