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Finding the Fourth Proportional to 882,624, 1,218,024.96 and 480,215.04

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Solution

The fourth proportional to 882,624, 1,218,024.96 and 480,215.04 is: 662,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,624 : 1,218,024.96 = 480,215.04 : x
  2. Step 2: Convert to fraction form
    882,624/1,218,024.96 = 480,215.04/x
  3. Step 3: Cross multiply
    882,624x = 1,218,024.96 × 480,215.04
  4. Step 4: Simplify right side
    882,624x = 584,913,904,887.40
  5. Step 5: Solve for x
    x = 584,913,904,887.40/882,624
  6. Step 6: Final answer
    x = 662,698.84

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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.