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Finding the Fourth Proportional to 353,281.34, 530,097.29 and 140,044.73

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Solution

The fourth proportional to 353,281.34, 530,097.29 and 140,044.73 is: 210,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,281.34 : 530,097.29 = 140,044.73 : x
  2. Step 2: Convert to fraction form
    353,281.34/530,097.29 = 140,044.73/x
  3. Step 3: Cross multiply
    353,281.34x = 530,097.29 × 140,044.73
  4. Step 4: Simplify right side
    353,281.34x = 74,237,328,501.07
  5. Step 5: Solve for x
    x = 74,237,328,501.07/353,281.34
  6. Step 6: Final answer
    x = 210,136.57

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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.