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Finding the Fourth Proportional to 482,852.90, 724,279.35 and 383,320.10

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Solution

The fourth proportional to 482,852.90, 724,279.35 and 383,320.10 is: 574,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,852.90 : 724,279.35 = 383,320.10 : x
  2. Step 2: Convert to fraction form
    482,852.90/724,279.35 = 383,320.10/x
  3. Step 3: Cross multiply
    482,852.90x = 724,279.35 × 383,320.10
  4. Step 4: Simplify right side
    482,852.90x = 277,630,832,869.94
  5. Step 5: Solve for x
    x = 277,630,832,869.94/482,852.90
  6. Step 6: Final answer
    x = 574,980.15

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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.