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Finding the Fourth Proportional to 423,641.06, 584,622.53 and 230,047.04

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Solution

The fourth proportional to 423,641.06, 584,622.53 and 230,047.04 is: 317,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,641.06 : 584,622.53 = 230,047.04 : x
  2. Step 2: Convert to fraction form
    423,641.06/584,622.53 = 230,047.04/x
  3. Step 3: Cross multiply
    423,641.06x = 584,622.53 × 230,047.04
  4. Step 4: Simplify right side
    423,641.06x = 134,490,679,620.70
  5. Step 5: Solve for x
    x = 134,490,679,620.70/423,641.06
  6. Step 6: Final answer
    x = 317,463.75

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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.