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Finding the Fourth Proportional to 704,844.86, 972,686.37 and 382,554.96

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Solution

The fourth proportional to 704,844.86, 972,686.37 and 382,554.96 is: 527,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,844.86 : 972,686.37 = 382,554.96 : x
  2. Step 2: Convert to fraction form
    704,844.86/972,686.37 = 382,554.96/x
  3. Step 3: Cross multiply
    704,844.86x = 972,686.37 × 382,554.96
  4. Step 4: Simplify right side
    704,844.86x = 372,105,993,154.90
  5. Step 5: Solve for x
    x = 372,105,993,154.90/704,844.86
  6. Step 6: Final answer
    x = 527,926.10

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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.