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Finding the Fourth Proportional to 402,019.66, 554,798.77 and 227,576.08

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Solution

The fourth proportional to 402,019.66, 554,798.77 and 227,576.08 is: 314,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,019.66 : 554,798.77 = 227,576.08 : x
  2. Step 2: Convert to fraction form
    402,019.66/554,798.77 = 227,576.08/x
  3. Step 3: Cross multiply
    402,019.66x = 554,798.77 × 227,576.08
  4. Step 4: Simplify right side
    402,019.66x = 126,258,929,389.98
  5. Step 5: Solve for x
    x = 126,258,929,389.98/402,019.66
  6. Step 6: Final answer
    x = 314,061.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.