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Finding the Fourth Proportional to 443,312.86, 611,772.43 and 252,326.25

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Solution

The fourth proportional to 443,312.86, 611,772.43 and 252,326.25 is: 348,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,312.86 : 611,772.43 = 252,326.25 : x
  2. Step 2: Convert to fraction form
    443,312.86/611,772.43 = 252,326.25/x
  3. Step 3: Cross multiply
    443,312.86x = 611,772.43 × 252,326.25
  4. Step 4: Simplify right side
    443,312.86x = 154,366,242,484.47
  5. Step 5: Solve for x
    x = 154,366,242,484.47/443,312.86
  6. Step 6: Final answer
    x = 348,210.61

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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.