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Finding the Fourth Proportional to 443,350.69, 611,824.66 and 252,364.10

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Solution

The fourth proportional to 443,350.69, 611,824.66 and 252,364.10 is: 348,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,350.69 : 611,824.66 = 252,364.10 : x
  2. Step 2: Convert to fraction form
    443,350.69/611,824.66 = 252,364.10/x
  3. Step 3: Cross multiply
    443,350.69x = 611,824.66 × 252,364.10
  4. Step 4: Simplify right side
    443,350.69x = 154,402,575,988.67
  5. Step 5: Solve for x
    x = 154,402,575,988.67/443,350.69
  6. Step 6: Final answer
    x = 348,262.85

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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.