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Finding the Fourth Proportional to 426,302.58, 588,304.79 and 232,720.28

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Solution

The fourth proportional to 426,302.58, 588,304.79 and 232,720.28 is: 321,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,302.58 : 588,304.79 = 232,720.28 : x
  2. Step 2: Convert to fraction form
    426,302.58/588,304.79 = 232,720.28/x
  3. Step 3: Cross multiply
    426,302.58x = 588,304.79 × 232,720.28
  4. Step 4: Simplify right side
    426,302.58x = 136,910,455,454.14
  5. Step 5: Solve for x
    x = 136,910,455,454.14/426,302.58
  6. Step 6: Final answer
    x = 321,157.93

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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.