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Finding the Fourth Proportional to 364,382.60, 502,848.87 and 203,248.09

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Solution

The fourth proportional to 364,382.60, 502,848.87 and 203,248.09 is: 280,482.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,382.60 : 502,848.87 = 203,248.09 : x
  2. Step 2: Convert to fraction form
    364,382.60/502,848.87 = 203,248.09/x
  3. Step 3: Cross multiply
    364,382.60x = 502,848.87 × 203,248.09
  4. Step 4: Simplify right side
    364,382.60x = 102,203,072,386.16
  5. Step 5: Solve for x
    x = 102,203,072,386.16/364,382.60
  6. Step 6: Final answer
    x = 280,482.86

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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.