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Finding the Fourth Proportional to 358,117.98, 537,183.15 and 121,466.76

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Solution

The fourth proportional to 358,117.98, 537,183.15 and 121,466.76 is: 182,202.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,117.98 : 537,183.15 = 121,466.76 : x
  2. Step 2: Convert to fraction form
    358,117.98/537,183.15 = 121,466.76/x
  3. Step 3: Cross multiply
    358,117.98x = 537,183.15 × 121,466.76
  4. Step 4: Simplify right side
    358,117.98x = 65,249,896,757.09
  5. Step 5: Solve for x
    x = 65,249,896,757.09/358,117.98
  6. Step 6: Final answer
    x = 182,202.24

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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.