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Finding the Fourth Proportional to 567,646.24, 783,358.08 and 313,006.56

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Solution

The fourth proportional to 567,646.24, 783,358.08 and 313,006.56 is: 431,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,646.24 : 783,358.08 = 313,006.56 : x
  2. Step 2: Convert to fraction form
    567,646.24/783,358.08 = 313,006.56/x
  3. Step 3: Cross multiply
    567,646.24x = 783,358.08 × 313,006.56
  4. Step 4: Simplify right side
    567,646.24x = 245,196,217,869.01
  5. Step 5: Solve for x
    x = 245,196,217,869.01/567,646.24
  6. Step 6: Final answer
    x = 431,952.51

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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.