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Finding the Fourth Proportional to 443,312.73, 611,772.26 and 252,326.13

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Solution

The fourth proportional to 443,312.73, 611,772.26 and 252,326.13 is: 348,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,312.73 : 611,772.26 = 252,326.13 : x
  2. Step 2: Convert to fraction form
    443,312.73/611,772.26 = 252,326.13/x
  3. Step 3: Cross multiply
    443,312.73x = 611,772.26 × 252,326.13
  4. Step 4: Simplify right side
    443,312.73x = 154,366,126,807.15
  5. Step 5: Solve for x
    x = 154,366,126,807.15/443,312.73
  6. Step 6: Final answer
    x = 348,210.45

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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.