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Finding the Fourth Proportional to 295,338.79, 443,117.15 and 238,935.46

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Solution

The fourth proportional to 295,338.79, 443,117.15 and 238,935.46 is: 358,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,338.79 : 443,117.15 = 238,935.46 : x
  2. Step 2: Convert to fraction form
    295,338.79/443,117.15 = 238,935.46/x
  3. Step 3: Cross multiply
    295,338.79x = 443,117.15 × 238,935.46
  4. Step 4: Simplify right side
    295,338.79x = 105,876,400,069.14
  5. Step 5: Solve for x
    x = 105,876,400,069.14/295,338.79
  6. Step 6: Final answer
    x = 358,491.35

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1.5x scale

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.