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Finding the Fourth Proportional to 577,670.01, 866,524.80 and 198,587.52

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Solution

The fourth proportional to 577,670.01, 866,524.80 and 198,587.52 is: 297,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,670.01 : 866,524.80 = 198,587.52 : x
  2. Step 2: Convert to fraction form
    577,670.01/866,524.80 = 198,587.52/x
  3. Step 3: Cross multiply
    577,670.01x = 866,524.80 × 198,587.52
  4. Step 4: Simplify right side
    577,670.01x = 172,081,011,050.50
  5. Step 5: Solve for x
    x = 172,081,011,050.50/577,670.01
  6. Step 6: Final answer
    x = 297,888.08

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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.