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Finding the Fourth Proportional to 363,790.74, 502,036.56 and 210,840.24

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Solution

The fourth proportional to 363,790.74, 502,036.56 and 210,840.24 is: 290,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,790.74 : 502,036.56 = 210,840.24 : x
  2. Step 2: Convert to fraction form
    363,790.74/502,036.56 = 210,840.24/x
  3. Step 3: Cross multiply
    363,790.74x = 502,036.56 × 210,840.24
  4. Step 4: Simplify right side
    363,790.74x = 105,849,508,799.17
  5. Step 5: Solve for x
    x = 105,849,508,799.17/363,790.74
  6. Step 6: Final answer
    x = 290,962.63

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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.