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Finding the Fourth Proportional to 249,626.60, 374,472.30 and 123,331.40

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Solution

The fourth proportional to 249,626.60, 374,472.30 and 123,331.40 is: 185,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,626.60 : 374,472.30 = 123,331.40 : x
  2. Step 2: Convert to fraction form
    249,626.60/374,472.30 = 123,331.40/x
  3. Step 3: Cross multiply
    249,626.60x = 374,472.30 × 123,331.40
  4. Step 4: Simplify right side
    249,626.60x = 46,184,193,020.22
  5. Step 5: Solve for x
    x = 46,184,193,020.22/249,626.60
  6. Step 6: Final answer
    x = 185,013.11

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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.