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Finding the Fourth Proportional to 554,220.80, 830,164.80 and 460,908.80

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Solution

The fourth proportional to 554,220.80, 830,164.80 and 460,908.80 is: 690,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,220.80 : 830,164.80 = 460,908.80 : x
  2. Step 2: Convert to fraction form
    554,220.80/830,164.80 = 460,908.80/x
  3. Step 3: Cross multiply
    554,220.80x = 830,164.80 × 460,908.80
  4. Step 4: Simplify right side
    554,220.80x = 382,630,261,770.24
  5. Step 5: Solve for x
    x = 382,630,261,770.24/554,220.80
  6. Step 6: Final answer
    x = 690,393.18

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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.