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Finding the Fourth Proportional to 675,375.85, 932,041.70 and 385,030.35

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Solution

The fourth proportional to 675,375.85, 932,041.70 and 385,030.35 is: 531,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,375.85 : 932,041.70 = 385,030.35 : x
  2. Step 2: Convert to fraction form
    675,375.85/932,041.70 = 385,030.35/x
  3. Step 3: Cross multiply
    675,375.85x = 932,041.70 × 385,030.35
  4. Step 4: Simplify right side
    675,375.85x = 358,864,341,965.60
  5. Step 5: Solve for x
    x = 358,864,341,965.60/675,375.85
  6. Step 6: Final answer
    x = 531,355.01

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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.