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Finding the Fourth Proportional to 363,999.04, 502,320.36 and 211,127.74

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Solution

The fourth proportional to 363,999.04, 502,320.36 and 211,127.74 is: 291,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,999.04 : 502,320.36 = 211,127.74 : x
  2. Step 2: Convert to fraction form
    363,999.04/502,320.36 = 211,127.74/x
  3. Step 3: Cross multiply
    363,999.04x = 502,320.36 × 211,127.74
  4. Step 4: Simplify right side
    363,999.04x = 106,053,760,315.26
  5. Step 5: Solve for x
    x = 106,053,760,315.26/363,999.04
  6. Step 6: Final answer
    x = 291,357.25

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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.