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Finding the Fourth Proportional to 672,318.04, 927,798.90 and 370,512.04

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Solution

The fourth proportional to 672,318.04, 927,798.90 and 370,512.04 is: 511,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,318.04 : 927,798.90 = 370,512.04 : x
  2. Step 2: Convert to fraction form
    672,318.04/927,798.90 = 370,512.04/x
  3. Step 3: Cross multiply
    672,318.04x = 927,798.90 × 370,512.04
  4. Step 4: Simplify right side
    672,318.04x = 343,760,663,148.76
  5. Step 5: Solve for x
    x = 343,760,663,148.76/672,318.04
  6. Step 6: Final answer
    x = 511,306.62

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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.