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Finding the Fourth Proportional to 576,422.64, 864,632.07 and 155,698.65

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Solution

The fourth proportional to 576,422.64, 864,632.07 and 155,698.65 is: 233,547.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,422.64 : 864,632.07 = 155,698.65 : x
  2. Step 2: Convert to fraction form
    576,422.64/864,632.07 = 155,698.65/x
  3. Step 3: Cross multiply
    576,422.64x = 864,632.07 × 155,698.65
  4. Step 4: Simplify right side
    576,422.64x = 134,622,046,045.71
  5. Step 5: Solve for x
    x = 134,622,046,045.71/576,422.64
  6. Step 6: Final answer
    x = 233,547.46

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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.