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Finding the Fourth Proportional to 543,519.92, 750,079.06 and 314,069.60

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Solution

The fourth proportional to 543,519.92, 750,079.06 and 314,069.60 is: 433,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,519.92 : 750,079.06 = 314,069.60 : x
  2. Step 2: Convert to fraction form
    543,519.92/750,079.06 = 314,069.60/x
  3. Step 3: Cross multiply
    543,519.92x = 750,079.06 × 314,069.60
  4. Step 4: Simplify right side
    543,519.92x = 235,577,030,342.58
  5. Step 5: Solve for x
    x = 235,577,030,342.58/543,519.92
  6. Step 6: Final answer
    x = 433,428.51

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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.