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Finding the Fourth Proportional to 247,457.92, 341,492.90 and 134,280.68

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Solution

The fourth proportional to 247,457.92, 341,492.90 and 134,280.68 is: 185,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,457.92 : 341,492.90 = 134,280.68 : x
  2. Step 2: Convert to fraction form
    247,457.92/341,492.90 = 134,280.68/x
  3. Step 3: Cross multiply
    247,457.92x = 341,492.90 × 134,280.68
  4. Step 4: Simplify right side
    247,457.92x = 45,855,898,827.17
  5. Step 5: Solve for x
    x = 45,855,898,827.17/247,457.92
  6. Step 6: Final answer
    x = 185,307.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.