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Finding the Fourth Proportional to 636,182.50, 877,933.68 and 364,254.58

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Solution

The fourth proportional to 636,182.50, 877,933.68 and 364,254.58 is: 502,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,182.50 : 877,933.68 = 364,254.58 : x
  2. Step 2: Convert to fraction form
    636,182.50/877,933.68 = 364,254.58/x
  3. Step 3: Cross multiply
    636,182.50x = 877,933.68 × 364,254.58
  4. Step 4: Simplify right side
    636,182.50x = 319,791,363,876.25
  5. Step 5: Solve for x
    x = 319,791,363,876.25/636,182.50
  6. Step 6: Final answer
    x = 502,672.37

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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.