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Finding the Fourth Proportional to 403,898.80, 605,848.20 and 403,898.80

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Solution

The fourth proportional to 403,898.80, 605,848.20 and 403,898.80 is: 605,848.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,898.80 : 605,848.20 = 403,898.80 : x
  2. Step 2: Convert to fraction form
    403,898.80/605,848.20 = 403,898.80/x
  3. Step 3: Cross multiply
    403,898.80x = 605,848.20 × 403,898.80
  4. Step 4: Simplify right side
    403,898.80x = 244,701,360,962.16
  5. Step 5: Solve for x
    x = 244,701,360,962.16/403,898.80
  6. Step 6: Final answer
    x = 605,848.20

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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.