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Finding the Fourth Proportional to 353,392.70, 530,259.15 and 175,915.22

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Solution

The fourth proportional to 353,392.70, 530,259.15 and 175,915.22 is: 263,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,392.70 : 530,259.15 = 175,915.22 : x
  2. Step 2: Convert to fraction form
    353,392.70/530,259.15 = 175,915.22/x
  3. Step 3: Cross multiply
    353,392.70x = 530,259.15 × 175,915.22
  4. Step 4: Simplify right side
    353,392.70x = 93,280,652,377.97
  5. Step 5: Solve for x
    x = 93,280,652,377.97/353,392.70
  6. Step 6: Final answer
    x = 263,957.50

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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.