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Finding the Fourth Proportional to 249,639.60, 374,459.40 and 193,652.40

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Solution

The fourth proportional to 249,639.60, 374,459.40 and 193,652.40 is: 290,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,639.60 : 374,459.40 = 193,652.40 : x
  2. Step 2: Convert to fraction form
    249,639.60/374,459.40 = 193,652.40/x
  3. Step 3: Cross multiply
    249,639.60x = 374,459.40 × 193,652.40
  4. Step 4: Simplify right side
    249,639.60x = 72,514,961,512.56
  5. Step 5: Solve for x
    x = 72,514,961,512.56/249,639.60
  6. Step 6: Final answer
    x = 290,478.60

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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.