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Finding the Fourth Proportional to 423,543.34, 584,763.33 and 262,570.42

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Solution

The fourth proportional to 423,543.34, 584,763.33 and 262,570.42 is: 362,516.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,543.34 : 584,763.33 = 262,570.42 : x
  2. Step 2: Convert to fraction form
    423,543.34/584,763.33 = 262,570.42/x
  3. Step 3: Cross multiply
    423,543.34x = 584,763.33 × 262,570.42
  4. Step 4: Simplify right side
    423,543.34x = 153,541,553,158.70
  5. Step 5: Solve for x
    x = 153,541,553,158.70/423,543.34
  6. Step 6: Final answer
    x = 362,516.75

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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.