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Finding the Fourth Proportional to 576,779.03, 864,700.16 and 240,071.72

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Solution

The fourth proportional to 576,779.03, 864,700.16 and 240,071.72 is: 359,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,779.03 : 864,700.16 = 240,071.72 : x
  2. Step 2: Convert to fraction form
    576,779.03/864,700.16 = 240,071.72/x
  3. Step 3: Cross multiply
    576,779.03x = 864,700.16 × 240,071.72
  4. Step 4: Simplify right side
    576,779.03x = 207,590,049,171.62
  5. Step 5: Solve for x
    x = 207,590,049,171.62/576,779.03
  6. Step 6: Final answer
    x = 359,912.62

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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.