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Finding the Fourth Proportional to 887,202, 1,224,369 and 484,819.92

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Solution

The fourth proportional to 887,202, 1,224,369 and 484,819.92 is: 669,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,202 : 1,224,369 = 484,819.92 : x
  2. Step 2: Convert to fraction form
    887,202/1,224,369 = 484,819.92/x
  3. Step 3: Cross multiply
    887,202x = 1,224,369 × 484,819.92
  4. Step 4: Simplify right side
    887,202x = 593,598,480,630.48
  5. Step 5: Solve for x
    x = 593,598,480,630.48/887,202
  6. Step 6: Final answer
    x = 669,068.01

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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.