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Finding the Fourth Proportional to 426,326.76, 588,349.98 and 245,097.36

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Solution

The fourth proportional to 426,326.76, 588,349.98 and 245,097.36 is: 338,245.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,326.76 : 588,349.98 = 245,097.36 : x
  2. Step 2: Convert to fraction form
    426,326.76/588,349.98 = 245,097.36/x
  3. Step 3: Cross multiply
    426,326.76x = 588,349.98 × 245,097.36
  4. Step 4: Simplify right side
    426,326.76x = 144,203,026,854.05
  5. Step 5: Solve for x
    x = 144,203,026,854.05/426,326.76
  6. Step 6: Final answer
    x = 338,245.31

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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.