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Finding the Fourth Proportional to 369,183.90, 553,775.85 and 310,134.90

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Solution

The fourth proportional to 369,183.90, 553,775.85 and 310,134.90 is: 465,202.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,183.90 : 553,775.85 = 310,134.90 : x
  2. Step 2: Convert to fraction form
    369,183.90/553,775.85 = 310,134.90/x
  3. Step 3: Cross multiply
    369,183.90x = 553,775.85 × 310,134.90
  4. Step 4: Simplify right side
    369,183.90x = 171,745,217,862.17
  5. Step 5: Solve for x
    x = 171,745,217,862.17/369,183.90
  6. Step 6: Final answer
    x = 465,202.35

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1.5x scale

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.