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Finding the Fourth Proportional to 650,266.80, 910,995.60 and 650,266.80

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Solution

The fourth proportional to 650,266.80, 910,995.60 and 650,266.80 is: 910,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,266.80 : 910,995.60 = 650,266.80 : x
  2. Step 2: Convert to fraction form
    650,266.80/910,995.60 = 650,266.80/x
  3. Step 3: Cross multiply
    650,266.80x = 910,995.60 × 650,266.80
  4. Step 4: Simplify right side
    650,266.80x = 592,390,193,626.08
  5. Step 5: Solve for x
    x = 592,390,193,626.08/650,266.80
  6. Step 6: Final answer
    x = 910,995.60

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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.