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Finding the Fourth Proportional to 549,715.80, 824,282.10 and 194,741.40

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Solution

The fourth proportional to 549,715.80, 824,282.10 and 194,741.40 is: 292,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,715.80 : 824,282.10 = 194,741.40 : x
  2. Step 2: Convert to fraction form
    549,715.80/824,282.10 = 194,741.40/x
  3. Step 3: Cross multiply
    549,715.80x = 824,282.10 × 194,741.40
  4. Step 4: Simplify right side
    549,715.80x = 160,521,850,148.94
  5. Step 5: Solve for x
    x = 160,521,850,148.94/549,715.80
  6. Step 6: Final answer
    x = 292,008.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.