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Finding the Fourth Proportional to 541,088.24, 811,624.12 and 186,105.33

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Solution

The fourth proportional to 541,088.24, 811,624.12 and 186,105.33 is: 279,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,088.24 : 811,624.12 = 186,105.33 : x
  2. Step 2: Convert to fraction form
    541,088.24/811,624.12 = 186,105.33/x
  3. Step 3: Cross multiply
    541,088.24x = 811,624.12 × 186,105.33
  4. Step 4: Simplify right side
    541,088.24x = 151,047,574,223.30
  5. Step 5: Solve for x
    x = 151,047,574,223.30/541,088.24
  6. Step 6: Final answer
    x = 279,155.16

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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.