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Finding the Fourth Proportional to 403,894,687.10, 605,842,030.65 and 403,894,687.10

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Solution

The fourth proportional to 403,894,687.10, 605,842,030.65 and 403,894,687.10 is: 605,842,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,894,687.10 : 605,842,030.65 = 403,894,687.10 : x
  2. Step 2: Convert to fraction form
    403,894,687.10/605,842,030.65 = 403,894,687.10/x
  3. Step 3: Cross multiply
    403,894,687.10x = 605,842,030.65 × 403,894,687.10
  4. Step 4: Simplify right side
    403,894,687.10x = 244,696,377,401,410,368
  5. Step 5: Solve for x
    x = 244,696,377,401,410,368/403,894,687.10
  6. Step 6: Final answer
    x = 605,842,030.65

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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.