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Finding the Fourth Proportional to 315,479.70, 473,219.55 and 93,863.70

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Solution

The fourth proportional to 315,479.70, 473,219.55 and 93,863.70 is: 140,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,479.70 : 473,219.55 = 93,863.70 : x
  2. Step 2: Convert to fraction form
    315,479.70/473,219.55 = 93,863.70/x
  3. Step 3: Cross multiply
    315,479.70x = 473,219.55 × 93,863.70
  4. Step 4: Simplify right side
    315,479.70x = 44,418,137,875.34
  5. Step 5: Solve for x
    x = 44,418,137,875.34/315,479.70
  6. Step 6: Final answer
    x = 140,795.55

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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.