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Finding the Fourth Proportional to 249,532.30, 374,314.65 and 131,434.30

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Solution

The fourth proportional to 249,532.30, 374,314.65 and 131,434.30 is: 197,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,532.30 : 374,314.65 = 131,434.30 : x
  2. Step 2: Convert to fraction form
    249,532.30/374,314.65 = 131,434.30/x
  3. Step 3: Cross multiply
    249,532.30x = 374,314.65 × 131,434.30
  4. Step 4: Simplify right side
    249,532.30x = 49,197,784,002.50
  5. Step 5: Solve for x
    x = 49,197,784,002.50/249,532.30
  6. Step 6: Final answer
    x = 197,159.98

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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.