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Finding the Fourth Proportional to 650,078.20, 973,805.10 and 650,078.20

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Solution

The fourth proportional to 650,078.20, 973,805.10 and 650,078.20 is: 973,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,078.20 : 973,805.10 = 650,078.20 : x
  2. Step 2: Convert to fraction form
    650,078.20/973,805.10 = 650,078.20/x
  3. Step 3: Cross multiply
    650,078.20x = 973,805.10 × 650,078.20
  4. Step 4: Simplify right side
    650,078.20x = 633,049,466,558.82
  5. Step 5: Solve for x
    x = 633,049,466,558.82/650,078.20
  6. Step 6: Final answer
    x = 973,805.10

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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.