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Finding the Fourth Proportional to 353,538.60, 530,390.99 and 116,881.30

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Solution

The fourth proportional to 353,538.60, 530,390.99 and 116,881.30 is: 175,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,538.60 : 530,390.99 = 116,881.30 : x
  2. Step 2: Convert to fraction form
    353,538.60/530,390.99 = 116,881.30/x
  3. Step 3: Cross multiply
    353,538.60x = 530,390.99 × 116,881.30
  4. Step 4: Simplify right side
    353,538.60x = 61,992,788,419.49
  5. Step 5: Solve for x
    x = 61,992,788,419.49/353,538.60
  6. Step 6: Final answer
    x = 175,349.42

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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.