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Finding the Fourth Proportional to 310,052.40, 465,117.48 and 152,147.76

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Solution

The fourth proportional to 310,052.40, 465,117.48 and 152,147.76 is: 228,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,052.40 : 465,117.48 = 152,147.76 : x
  2. Step 2: Convert to fraction form
    310,052.40/465,117.48 = 152,147.76/x
  3. Step 3: Cross multiply
    310,052.40x = 465,117.48 × 152,147.76
  4. Step 4: Simplify right side
    310,052.40x = 70,766,582,718.84
  5. Step 5: Solve for x
    x = 70,766,582,718.84/310,052.40
  6. Step 6: Final answer
    x = 228,240.72

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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.