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Finding the Fourth Proportional to 704,870.12, 972,694.68 and 382,573.30

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Solution

The fourth proportional to 704,870.12, 972,694.68 and 382,573.30 is: 527,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,870.12 : 972,694.68 = 382,573.30 : x
  2. Step 2: Convert to fraction form
    704,870.12/972,694.68 = 382,573.30/x
  3. Step 3: Cross multiply
    704,870.12x = 972,694.68 × 382,573.30
  4. Step 4: Simplify right side
    704,870.12x = 372,127,008,756.57
  5. Step 5: Solve for x
    x = 372,127,008,756.57/704,870.12
  6. Step 6: Final answer
    x = 527,936.99

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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.