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Finding the Fourth Proportional to 426,605.42, 588,665.12 and 235,607.42

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Solution

The fourth proportional to 426,605.42, 588,665.12 and 235,607.42 is: 325,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,605.42 : 588,665.12 = 235,607.42 : x
  2. Step 2: Convert to fraction form
    426,605.42/588,665.12 = 235,607.42/x
  3. Step 3: Cross multiply
    426,605.42x = 588,665.12 × 235,607.42
  4. Step 4: Simplify right side
    426,605.42x = 138,693,866,045.83
  5. Step 5: Solve for x
    x = 138,693,866,045.83/426,605.42
  6. Step 6: Final answer
    x = 325,110.42

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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.