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Finding the Fourth Proportional to 353,455.62, 530,416.71 and 187,360.26

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Solution

The fourth proportional to 353,455.62, 530,416.71 and 187,360.26 is: 281,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,455.62 : 530,416.71 = 187,360.26 : x
  2. Step 2: Convert to fraction form
    353,455.62/530,416.71 = 187,360.26/x
  3. Step 3: Cross multiply
    353,455.62x = 530,416.71 × 187,360.26
  4. Step 4: Simplify right side
    353,455.62x = 99,379,012,693.94
  5. Step 5: Solve for x
    x = 99,379,012,693.94/353,455.62
  6. Step 6: Final answer
    x = 281,164.05

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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.