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Finding the Fourth Proportional to 348,574.06, 522,850.11 and 99,256.06

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Solution

The fourth proportional to 348,574.06, 522,850.11 and 99,256.06 is: 148,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,574.06 : 522,850.11 = 99,256.06 : x
  2. Step 2: Convert to fraction form
    348,574.06/522,850.11 = 99,256.06/x
  3. Step 3: Cross multiply
    348,574.06x = 522,850.11 × 99,256.06
  4. Step 4: Simplify right side
    348,574.06x = 51,896,041,889.17
  5. Step 5: Solve for x
    x = 51,896,041,889.17/348,574.06
  6. Step 6: Final answer
    x = 148,880.96

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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.