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Finding the Fourth Proportional to 934,717, 1,290,000.48 and 552,866.80

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Solution

The fourth proportional to 934,717, 1,290,000.48 and 552,866.80 is: 763,010.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,717 : 1,290,000.48 = 552,866.80 : x
  2. Step 2: Convert to fraction form
    934,717/1,290,000.48 = 552,866.80/x
  3. Step 3: Cross multiply
    934,717x = 1,290,000.48 × 552,866.80
  4. Step 4: Simplify right side
    934,717x = 713,198,437,376.06
  5. Step 5: Solve for x
    x = 713,198,437,376.06/934,717
  6. Step 6: Final answer
    x = 763,010.02

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1.5x scale

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.