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Finding the Fourth Proportional to 672,326.22, 927,810.18 and 370,520.22

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Solution

The fourth proportional to 672,326.22, 927,810.18 and 370,520.22 is: 511,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,326.22 : 927,810.18 = 370,520.22 : x
  2. Step 2: Convert to fraction form
    672,326.22/927,810.18 = 370,520.22/x
  3. Step 3: Cross multiply
    672,326.22x = 927,810.18 × 370,520.22
  4. Step 4: Simplify right side
    672,326.22x = 343,772,432,011.84
  5. Step 5: Solve for x
    x = 343,772,432,011.84/672,326.22
  6. Step 6: Final answer
    x = 511,317.90

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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.