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Finding the Fourth Proportional to 423,630.49, 584,463.93 and 270,758.17

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Solution

The fourth proportional to 423,630.49, 584,463.93 and 270,758.17 is: 373,552.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,630.49 : 584,463.93 = 270,758.17 : x
  2. Step 2: Convert to fraction form
    423,630.49/584,463.93 = 270,758.17/x
  3. Step 3: Cross multiply
    423,630.49x = 584,463.93 × 270,758.17
  4. Step 4: Simplify right side
    423,630.49x = 158,248,384,117.81
  5. Step 5: Solve for x
    x = 158,248,384,117.81/423,630.49
  6. Step 6: Final answer
    x = 373,552.87

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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.