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Finding the Fourth Proportional to 249,636.60, 374,454.90 and 165,655.80

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Solution

The fourth proportional to 249,636.60, 374,454.90 and 165,655.80 is: 248,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,636.60 : 374,454.90 = 165,655.80 : x
  2. Step 2: Convert to fraction form
    249,636.60/374,454.90 = 165,655.80/x
  3. Step 3: Cross multiply
    249,636.60x = 374,454.90 × 165,655.80
  4. Step 4: Simplify right side
    249,636.60x = 62,030,626,023.42
  5. Step 5: Solve for x
    x = 62,030,626,023.42/249,636.60
  6. Step 6: Final answer
    x = 248,483.70

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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.