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Finding the Fourth Proportional to 362,988.45, 544,482.68 and 310,500.45

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Solution

The fourth proportional to 362,988.45, 544,482.68 and 310,500.45 is: 465,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,988.45 : 544,482.68 = 310,500.45 : x
  2. Step 2: Convert to fraction form
    362,988.45/544,482.68 = 310,500.45/x
  3. Step 3: Cross multiply
    362,988.45x = 544,482.68 × 310,500.45
  4. Step 4: Simplify right side
    362,988.45x = 169,062,115,604.70
  5. Step 5: Solve for x
    x = 169,062,115,604.70/362,988.45
  6. Step 6: Final answer
    x = 465,750.68

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Similar ratio
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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.