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Finding the Fourth Proportional to 385,675.20, 532,055.10 and 249,752.92

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Solution

The fourth proportional to 385,675.20, 532,055.10 and 249,752.92 is: 344,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,675.20 : 532,055.10 = 249,752.92 : x
  2. Step 2: Convert to fraction form
    385,675.20/532,055.10 = 249,752.92/x
  3. Step 3: Cross multiply
    385,675.20x = 532,055.10 × 249,752.92
  4. Step 4: Simplify right side
    385,675.20x = 132,882,315,445.12
  5. Step 5: Solve for x
    x = 132,882,315,445.12/385,675.20
  6. Step 6: Final answer
    x = 344,544.62

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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.