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Finding the Fourth Proportional to 306,713.10, 460,069.65 and 156,903.60

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Solution

The fourth proportional to 306,713.10, 460,069.65 and 156,903.60 is: 235,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,713.10 : 460,069.65 = 156,903.60 : x
  2. Step 2: Convert to fraction form
    306,713.10/460,069.65 = 156,903.60/x
  3. Step 3: Cross multiply
    306,713.10x = 460,069.65 × 156,903.60
  4. Step 4: Simplify right side
    306,713.10x = 72,186,584,335.74
  5. Step 5: Solve for x
    x = 72,186,584,335.74/306,713.10
  6. Step 6: Final answer
    x = 235,355.40

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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.