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Finding the Fourth Proportional to 549,872.34, 824,646.69 and 165,605.46

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Solution

The fourth proportional to 549,872.34, 824,646.69 and 165,605.46 is: 248,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,872.34 : 824,646.69 = 165,605.46 : x
  2. Step 2: Convert to fraction form
    549,872.34/824,646.69 = 165,605.46/x
  3. Step 3: Cross multiply
    549,872.34x = 824,646.69 × 165,605.46
  4. Step 4: Simplify right side
    549,872.34x = 136,565,994,434.93
  5. Step 5: Solve for x
    x = 136,565,994,434.93/549,872.34
  6. Step 6: Final answer
    x = 248,359.45

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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.