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Finding the Fourth Proportional to 355,660.81, 533,635.41 and 155,875.93

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Solution

The fourth proportional to 355,660.81, 533,635.41 and 155,875.93 is: 233,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,660.81 : 533,635.41 = 155,875.93 : x
  2. Step 2: Convert to fraction form
    355,660.81/533,635.41 = 155,875.93/x
  3. Step 3: Cross multiply
    355,660.81x = 533,635.41 × 155,875.93
  4. Step 4: Simplify right side
    355,660.81x = 83,180,915,814.68
  5. Step 5: Solve for x
    x = 83,180,915,814.68/355,660.81
  6. Step 6: Final answer
    x = 233,877.09

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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.