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Finding the Fourth Proportional to 502,219.96, 693,068.62 and 272,779.46

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Solution

The fourth proportional to 502,219.96, 693,068.62 and 272,779.46 is: 376,438.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,219.96 : 693,068.62 = 272,779.46 : x
  2. Step 2: Convert to fraction form
    502,219.96/693,068.62 = 272,779.46/x
  3. Step 3: Cross multiply
    502,219.96x = 693,068.62 × 272,779.46
  4. Step 4: Simplify right side
    502,219.96x = 189,054,883,906.55
  5. Step 5: Solve for x
    x = 189,054,883,906.55/502,219.96
  6. Step 6: Final answer
    x = 376,438.41

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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.