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Finding the Fourth Proportional to 1,024,518.80, 1,534,013.40 and 1,024,518.80

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Solution

The fourth proportional to 1,024,518.80, 1,534,013.40 and 1,024,518.80 is: 1,534,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024,518.80 : 1,534,013.40 = 1,024,518.80 : x
  2. Step 2: Convert to fraction form
    1,024,518.80/1,534,013.40 = 1,024,518.80/x
  3. Step 3: Cross multiply
    1,024,518.80x = 1,534,013.40 × 1,024,518.80
  4. Step 4: Simplify right side
    1,024,518.80x = 1,571,625,567,751.92
  5. Step 5: Solve for x
    x = 1,571,625,567,751.92/1,024,518.80
  6. Step 6: Final answer
    x = 1,534,013.40

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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.