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Finding the Fourth Proportional to 310,869.60, 466,304.40 and 124,015.20

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Solution

The fourth proportional to 310,869.60, 466,304.40 and 124,015.20 is: 186,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,869.60 : 466,304.40 = 124,015.20 : x
  2. Step 2: Convert to fraction form
    310,869.60/466,304.40 = 124,015.20/x
  3. Step 3: Cross multiply
    310,869.60x = 466,304.40 × 124,015.20
  4. Step 4: Simplify right side
    310,869.60x = 57,828,833,426.88
  5. Step 5: Solve for x
    x = 57,828,833,426.88/310,869.60
  6. Step 6: Final answer
    x = 186,022.80

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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.