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Finding the Fourth Proportional to 353,998.59, 530,801.03 and 117,212.10

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Solution

The fourth proportional to 353,998.59, 530,801.03 and 117,212.10 is: 175,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,998.59 : 530,801.03 = 117,212.10 : x
  2. Step 2: Convert to fraction form
    353,998.59/530,801.03 = 117,212.10/x
  3. Step 3: Cross multiply
    353,998.59x = 530,801.03 × 117,212.10
  4. Step 4: Simplify right side
    353,998.59x = 62,216,301,710.99
  5. Step 5: Solve for x
    x = 62,216,301,710.99/353,998.59
  6. Step 6: Final answer
    x = 175,752.97

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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.