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Finding the Fourth Proportional to 704,896.16, 972,757.60 and 382,606.24

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Solution

The fourth proportional to 704,896.16, 972,757.60 and 382,606.24 is: 527,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,896.16 : 972,757.60 = 382,606.24 : x
  2. Step 2: Convert to fraction form
    704,896.16/972,757.60 = 382,606.24/x
  3. Step 3: Cross multiply
    704,896.16x = 972,757.60 × 382,606.24
  4. Step 4: Simplify right side
    704,896.16x = 372,183,127,767.42
  5. Step 5: Solve for x
    x = 372,183,127,767.42/704,896.16
  6. Step 6: Final answer
    x = 527,997.10

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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.