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Finding the Fourth Proportional to 255,847.95, 381,877.00 and 240,088.59

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Solution

The fourth proportional to 255,847.95, 381,877.00 and 240,088.59 is: 358,354.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,847.95 : 381,877.00 = 240,088.59 : x
  2. Step 2: Convert to fraction form
    255,847.95/381,877.00 = 240,088.59/x
  3. Step 3: Cross multiply
    255,847.95x = 381,877.00 × 240,088.59
  4. Step 4: Simplify right side
    255,847.95x = 91,684,309,883.21
  5. Step 5: Solve for x
    x = 91,684,309,883.21/255,847.95
  6. Step 6: Final answer
    x = 358,354.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.