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Finding the Fourth Proportional to 535,851.60, 803,926.71 and 436,945.74

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Solution

The fourth proportional to 535,851.60, 803,926.71 and 436,945.74 is: 655,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,851.60 : 803,926.71 = 436,945.74 : x
  2. Step 2: Convert to fraction form
    535,851.60/803,926.71 = 436,945.74/x
  3. Step 3: Cross multiply
    535,851.60x = 803,926.71 × 436,945.74
  4. Step 4: Simplify right side
    535,851.60x = 351,272,351,206.72
  5. Step 5: Solve for x
    x = 351,272,351,206.72/535,851.60
  6. Step 6: Final answer
    x = 655,540.36

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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.