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Finding the Fourth Proportional to 543,274.15, 749,752.35 and 301,560.76

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Solution

The fourth proportional to 543,274.15, 749,752.35 and 301,560.76 is: 416,172.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,274.15 : 749,752.35 = 301,560.76 : x
  2. Step 2: Convert to fraction form
    543,274.15/749,752.35 = 301,560.76/x
  3. Step 3: Cross multiply
    543,274.15x = 749,752.35 × 301,560.76
  4. Step 4: Simplify right side
    543,274.15x = 226,095,888,926.06
  5. Step 5: Solve for x
    x = 226,095,888,926.06/543,274.15
  6. Step 6: Final answer
    x = 416,172.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.