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Finding the Fourth Proportional to 364,257.60, 502,458.30 and 283,557.30

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Solution

The fourth proportional to 364,257.60, 502,458.30 and 283,557.30 is: 391,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,257.60 : 502,458.30 = 283,557.30 : x
  2. Step 2: Convert to fraction form
    364,257.60/502,458.30 = 283,557.30/x
  3. Step 3: Cross multiply
    364,257.60x = 502,458.30 × 283,557.30
  4. Step 4: Simplify right side
    364,257.60x = 142,475,718,910.59
  5. Step 5: Solve for x
    x = 142,475,718,910.59/364,257.60
  6. Step 6: Final answer
    x = 391,140.00

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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.