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Finding the Fourth Proportional to 516,349.46, 774,827.33 and 216,807.01

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Solution

The fourth proportional to 516,349.46, 774,827.33 and 216,807.01 is: 325,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,349.46 : 774,827.33 = 216,807.01 : x
  2. Step 2: Convert to fraction form
    516,349.46/774,827.33 = 216,807.01/x
  3. Step 3: Cross multiply
    516,349.46x = 774,827.33 × 216,807.01
  4. Step 4: Simplify right side
    516,349.46x = 167,987,996,683.58
  5. Step 5: Solve for x
    x = 167,987,996,683.58/516,349.46
  6. Step 6: Final answer
    x = 325,337.80

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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.