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Finding the Fourth Proportional to 710,578.24, 979,493.28 and 483,833.92

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Solution

The fourth proportional to 710,578.24, 979,493.28 and 483,833.92 is: 666,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,578.24 : 979,493.28 = 483,833.92 : x
  2. Step 2: Convert to fraction form
    710,578.24/979,493.28 = 483,833.92/x
  3. Step 3: Cross multiply
    710,578.24x = 979,493.28 × 483,833.92
  4. Step 4: Simplify right side
    710,578.24x = 473,912,073,276.06
  5. Step 5: Solve for x
    x = 473,912,073,276.06/710,578.24
  6. Step 6: Final answer
    x = 666,938.62

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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.