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Finding the Fourth Proportional to 565,315.80, 847,446.66 and 191,077.08

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Solution

The fourth proportional to 565,315.80, 847,446.66 and 191,077.08 is: 286,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,315.80 : 847,446.66 = 191,077.08 : x
  2. Step 2: Convert to fraction form
    565,315.80/847,446.66 = 191,077.08/x
  3. Step 3: Cross multiply
    565,315.80x = 847,446.66 × 191,077.08
  4. Step 4: Simplify right side
    565,315.80x = 161,927,633,248.55
  5. Step 5: Solve for x
    x = 161,927,633,248.55/565,315.80
  6. Step 6: Final answer
    x = 286,437.48

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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.