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Finding the Fourth Proportional to 249,613.60, 374,452.80 and 123,318.40

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Solution

The fourth proportional to 249,613.60, 374,452.80 and 123,318.40 is: 184,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,613.60 : 374,452.80 = 123,318.40 : x
  2. Step 2: Convert to fraction form
    249,613.60/374,452.80 = 123,318.40/x
  3. Step 3: Cross multiply
    249,613.60x = 374,452.80 × 123,318.40
  4. Step 4: Simplify right side
    249,613.60x = 46,176,920,171.52
  5. Step 5: Solve for x
    x = 46,176,920,171.52/249,613.60
  6. Step 6: Final answer
    x = 184,993.61

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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.