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Finding the Fourth Proportional to 552,005.30, 828,007.95 and 342,053.30

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Solution

The fourth proportional to 552,005.30, 828,007.95 and 342,053.30 is: 513,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,005.30 : 828,007.95 = 342,053.30 : x
  2. Step 2: Convert to fraction form
    552,005.30/828,007.95 = 342,053.30/x
  3. Step 3: Cross multiply
    552,005.30x = 828,007.95 × 342,053.30
  4. Step 4: Simplify right side
    552,005.30x = 283,222,851,723.74
  5. Step 5: Solve for x
    x = 283,222,851,723.74/552,005.30
  6. Step 6: Final answer
    x = 513,079.95

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Similar ratio
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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.