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Finding the Fourth Proportional to 443,533.59, 612,084.20 and 252,564.75

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Solution

The fourth proportional to 443,533.59, 612,084.20 and 252,564.75 is: 348,543.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,533.59 : 612,084.20 = 252,564.75 : x
  2. Step 2: Convert to fraction form
    443,533.59/612,084.20 = 252,564.75/x
  3. Step 3: Cross multiply
    443,533.59x = 612,084.20 × 252,564.75
  4. Step 4: Simplify right side
    443,533.59x = 154,590,891,689.13
  5. Step 5: Solve for x
    x = 154,590,891,689.13/443,533.59
  6. Step 6: Final answer
    x = 348,543.82

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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.