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Finding the Fourth Proportional to 888,859.66, 1,226,617.14 and 480,952.51

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Solution

The fourth proportional to 888,859.66, 1,226,617.14 and 480,952.51 is: 663,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,859.66 : 1,226,617.14 = 480,952.51 : x
  2. Step 2: Convert to fraction form
    888,859.66/1,226,617.14 = 480,952.51/x
  3. Step 3: Cross multiply
    888,859.66x = 1,226,617.14 × 480,952.51
  4. Step 4: Simplify right side
    888,859.66x = 589,944,592,292.02
  5. Step 5: Solve for x
    x = 589,944,592,292.02/888,859.66
  6. Step 6: Final answer
    x = 663,709.49

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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.