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Finding the Fourth Proportional to 502,216.83, 693,064.31 and 272,776.32

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Solution

The fourth proportional to 502,216.83, 693,064.31 and 272,776.32 is: 376,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,216.83 : 693,064.31 = 272,776.32 : x
  2. Step 2: Convert to fraction form
    502,216.83/693,064.31 = 272,776.32/x
  3. Step 3: Cross multiply
    502,216.83x = 693,064.31 × 272,776.32
  4. Step 4: Simplify right side
    502,216.83x = 189,051,530,641.26
  5. Step 5: Solve for x
    x = 189,051,530,641.26/502,216.83
  6. Step 6: Final answer
    x = 376,434.08

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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.