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Finding the Fourth Proportional to 1,526,648.40, 2,134,508.40 and 1,526,648.40

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Solution

The fourth proportional to 1,526,648.40, 2,134,508.40 and 1,526,648.40 is: 2,134,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526,648.40 : 2,134,508.40 = 1,526,648.40 : x
  2. Step 2: Convert to fraction form
    1,526,648.40/2,134,508.40 = 1,526,648.40/x
  3. Step 3: Cross multiply
    1,526,648.40x = 2,134,508.40 × 1,526,648.40
  4. Step 4: Simplify right side
    1,526,648.40x = 3,258,643,833,646.56
  5. Step 5: Solve for x
    x = 3,258,643,833,646.56/1,526,648.40
  6. Step 6: Final answer
    x = 2,134,508.40

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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.