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Finding the Fourth Proportional to 343,110.30, 514,665.45 and 93,792.30

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Solution

The fourth proportional to 343,110.30, 514,665.45 and 93,792.30 is: 140,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,110.30 : 514,665.45 = 93,792.30 : x
  2. Step 2: Convert to fraction form
    343,110.30/514,665.45 = 93,792.30/x
  3. Step 3: Cross multiply
    343,110.30x = 514,665.45 × 93,792.30
  4. Step 4: Simplify right side
    343,110.30x = 48,271,656,286.04
  5. Step 5: Solve for x
    x = 48,271,656,286.04/343,110.30
  6. Step 6: Final answer
    x = 140,688.45

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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.