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Finding the Fourth Proportional to 554,218.80, 830,161.80 and 460,906.80

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Solution

The fourth proportional to 554,218.80, 830,161.80 and 460,906.80 is: 690,390.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,218.80 : 830,161.80 = 460,906.80 : x
  2. Step 2: Convert to fraction form
    554,218.80/830,161.80 = 460,906.80/x
  3. Step 3: Cross multiply
    554,218.80x = 830,161.80 × 460,906.80
  4. Step 4: Simplify right side
    554,218.80x = 382,627,218,720.24
  5. Step 5: Solve for x
    x = 382,627,218,720.24/554,218.80
  6. Step 6: Final answer
    x = 690,390.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.