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Finding the Fourth Proportional to 704,845.22, 972,687.29 and 382,555.40

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Solution

The fourth proportional to 704,845.22, 972,687.29 and 382,555.40 is: 527,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,845.22 : 972,687.29 = 382,555.40 : x
  2. Step 2: Convert to fraction form
    704,845.22/972,687.29 = 382,555.40/x
  3. Step 3: Cross multiply
    704,845.22x = 972,687.29 × 382,555.40
  4. Step 4: Simplify right side
    704,845.22x = 372,106,768,524.65
  5. Step 5: Solve for x
    x = 372,106,768,524.65/704,845.22
  6. Step 6: Final answer
    x = 527,926.93

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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.