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Finding the Fourth Proportional to 563,046.88, 840,341.48 and 486,808.16

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Solution

The fourth proportional to 563,046.88, 840,341.48 and 486,808.16 is: 726,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,046.88 : 840,341.48 = 486,808.16 : x
  2. Step 2: Convert to fraction form
    563,046.88/840,341.48 = 486,808.16/x
  3. Step 3: Cross multiply
    563,046.88x = 840,341.48 × 486,808.16
  4. Step 4: Simplify right side
    563,046.88x = 409,085,089,650.48
  5. Step 5: Solve for x
    x = 409,085,089,650.48/563,046.88
  6. Step 6: Final answer
    x = 726,556.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.