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Finding the Fourth Proportional to 369,675.71, 510,152.52 and 199,909.84

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Solution

The fourth proportional to 369,675.71, 510,152.52 and 199,909.84 is: 275,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,675.71 : 510,152.52 = 199,909.84 : x
  2. Step 2: Convert to fraction form
    369,675.71/510,152.52 = 199,909.84/x
  3. Step 3: Cross multiply
    369,675.71x = 510,152.52 × 199,909.84
  4. Step 4: Simplify right side
    369,675.71x = 101,984,508,648.80
  5. Step 5: Solve for x
    x = 101,984,508,648.80/369,675.71
  6. Step 6: Final answer
    x = 275,875.60

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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.