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Finding the Fourth Proportional to 350,547.20, 526,004.40 and 161,064.80

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Solution

The fourth proportional to 350,547.20, 526,004.40 and 161,064.80 is: 241,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,547.20 : 526,004.40 = 161,064.80 : x
  2. Step 2: Convert to fraction form
    350,547.20/526,004.40 = 161,064.80/x
  3. Step 3: Cross multiply
    350,547.20x = 526,004.40 × 161,064.80
  4. Step 4: Simplify right side
    350,547.20x = 84,720,793,485.12
  5. Step 5: Solve for x
    x = 84,720,793,485.12/350,547.20
  6. Step 6: Final answer
    x = 241,681.56

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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.