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Finding the Fourth Proportional to 888,496.52, 1,226,126 and 486,088.52

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Solution

The fourth proportional to 888,496.52, 1,226,126 and 486,088.52 is: 670,802.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,496.52 : 1,226,126 = 486,088.52 : x
  2. Step 2: Convert to fraction form
    888,496.52/1,226,126 = 486,088.52/x
  3. Step 3: Cross multiply
    888,496.52x = 1,226,126 × 486,088.52
  4. Step 4: Simplify right side
    888,496.52x = 596,005,772,673.52
  5. Step 5: Solve for x
    x = 596,005,772,673.52/888,496.52
  6. Step 6: Final answer
    x = 670,802.60

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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.