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Finding the Fourth Proportional to 249,620.60, 374,430.90 and 245,934.20

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Solution

The fourth proportional to 249,620.60, 374,430.90 and 245,934.20 is: 368,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,620.60 : 374,430.90 = 245,934.20 : x
  2. Step 2: Convert to fraction form
    249,620.60/374,430.90 = 245,934.20/x
  3. Step 3: Cross multiply
    249,620.60x = 374,430.90 × 245,934.20
  4. Step 4: Simplify right side
    249,620.60x = 92,085,363,846.78
  5. Step 5: Solve for x
    x = 92,085,363,846.78/249,620.60
  6. Step 6: Final answer
    x = 368,901.30

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1.5x scale

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.