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Finding the Fourth Proportional to 247,316.70, 370,975.05 and 60,328.20

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Solution

The fourth proportional to 247,316.70, 370,975.05 and 60,328.20 is: 90,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,316.70 : 370,975.05 = 60,328.20 : x
  2. Step 2: Convert to fraction form
    247,316.70/370,975.05 = 60,328.20/x
  3. Step 3: Cross multiply
    247,316.70x = 370,975.05 × 60,328.20
  4. Step 4: Simplify right side
    247,316.70x = 22,380,257,011.41
  5. Step 5: Solve for x
    x = 22,380,257,011.41/247,316.70
  6. Step 6: Final answer
    x = 90,492.30

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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.