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Finding the Fourth Proportional to 423,510.54, 584,445.72 and 232,536.30

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Solution

The fourth proportional to 423,510.54, 584,445.72 and 232,536.30 is: 320,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,510.54 : 584,445.72 = 232,536.30 : x
  2. Step 2: Convert to fraction form
    423,510.54/584,445.72 = 232,536.30/x
  3. Step 3: Cross multiply
    423,510.54x = 584,445.72 × 232,536.30
  4. Step 4: Simplify right side
    423,510.54x = 135,904,845,279.64
  5. Step 5: Solve for x
    x = 135,904,845,279.64/423,510.54
  6. Step 6: Final answer
    x = 320,900.74

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1.5x scale

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.