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Finding the Fourth Proportional to 245,527.80, 368,291.70 and 156,516.90

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Solution

The fourth proportional to 245,527.80, 368,291.70 and 156,516.90 is: 234,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,527.80 : 368,291.70 = 156,516.90 : x
  2. Step 2: Convert to fraction form
    245,527.80/368,291.70 = 156,516.90/x
  3. Step 3: Cross multiply
    245,527.80x = 368,291.70 × 156,516.90
  4. Step 4: Simplify right side
    245,527.80x = 57,643,875,179.73
  5. Step 5: Solve for x
    x = 57,643,875,179.73/245,527.80
  6. Step 6: Final answer
    x = 234,775.35

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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.