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Finding the Fourth Proportional to 343,325.92, 514,988.16 and 106,670.56

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Solution

The fourth proportional to 343,325.92, 514,988.16 and 106,670.56 is: 160,005.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,325.92 : 514,988.16 = 106,670.56 : x
  2. Step 2: Convert to fraction form
    343,325.92/514,988.16 = 106,670.56/x
  3. Step 3: Cross multiply
    343,325.92x = 514,988.16 × 106,670.56
  4. Step 4: Simplify right side
    343,325.92x = 54,934,075,420.57
  5. Step 5: Solve for x
    x = 54,934,075,420.57/343,325.92
  6. Step 6: Final answer
    x = 160,005.62

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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.