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Finding the Fourth Proportional to 880,830.80, 1,234,822 and 880,830.80

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Solution

The fourth proportional to 880,830.80, 1,234,822 and 880,830.80 is: 1,234,822

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,830.80 : 1,234,822 = 880,830.80 : x
  2. Step 2: Convert to fraction form
    880,830.80/1,234,822 = 880,830.80/x
  3. Step 3: Cross multiply
    880,830.80x = 1,234,822 × 880,830.80
  4. Step 4: Simplify right side
    880,830.80x = 1,087,669,250,117.60
  5. Step 5: Solve for x
    x = 1,087,669,250,117.60/880,830.80
  6. Step 6: Final answer
    x = 1,234,822

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.