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Finding the Fourth Proportional to 354,340.07, 531,510.10 and 105,022.07

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Solution

The fourth proportional to 354,340.07, 531,510.10 and 105,022.07 is: 157,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,340.07 : 531,510.10 = 105,022.07 : x
  2. Step 2: Convert to fraction form
    354,340.07/531,510.10 = 105,022.07/x
  3. Step 3: Cross multiply
    354,340.07x = 531,510.10 × 105,022.07
  4. Step 4: Simplify right side
    354,340.07x = 55,820,287,745.25
  5. Step 5: Solve for x
    x = 55,820,287,745.25/354,340.07
  6. Step 6: Final answer
    x = 157,533.10

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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.