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Finding the Fourth Proportional to 310,618.80, 465,928.20 and 310,618.80

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Solution

The fourth proportional to 310,618.80, 465,928.20 and 310,618.80 is: 465,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,618.80 : 465,928.20 = 310,618.80 : x
  2. Step 2: Convert to fraction form
    310,618.80/465,928.20 = 310,618.80/x
  3. Step 3: Cross multiply
    310,618.80x = 465,928.20 × 310,618.80
  4. Step 4: Simplify right side
    310,618.80x = 144,726,058,370.16
  5. Step 5: Solve for x
    x = 144,726,058,370.16/310,618.80
  6. Step 6: Final answer
    x = 465,928.20

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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.