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Finding the Fourth Proportional to 817,665,655.05, 1,226,498,482.58 and 817,665,655.05

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Solution

The fourth proportional to 817,665,655.05, 1,226,498,482.58 and 817,665,655.05 is: 1,226,498,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,665,655.05 : 1,226,498,482.58 = 817,665,655.05 : x
  2. Step 2: Convert to fraction form
    817,665,655.05/1,226,498,482.58 = 817,665,655.05/x
  3. Step 3: Cross multiply
    817,665,655.05x = 1,226,498,482.58 × 817,665,655.05
  4. Step 4: Simplify right side
    817,665,655.05x = 1,002,865,685,172,518,400
  5. Step 5: Solve for x
    x = 1,002,865,685,172,518,400/817,665,655.05
  6. Step 6: Final answer
    x = 1,226,498,482.58

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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.