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Finding the Fourth Proportional to 369,585.80, 510,029.15 and 199,819.93

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Solution

The fourth proportional to 369,585.80, 510,029.15 and 199,819.93 is: 275,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,585.80 : 510,029.15 = 199,819.93 : x
  2. Step 2: Convert to fraction form
    369,585.80/510,029.15 = 199,819.93/x
  3. Step 3: Cross multiply
    369,585.80x = 510,029.15 × 199,819.93
  4. Step 4: Simplify right side
    369,585.80x = 101,913,987,276.34
  5. Step 5: Solve for x
    x = 101,913,987,276.34/369,585.80
  6. Step 6: Final answer
    x = 275,751.90

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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.