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Finding the Fourth Proportional to 359,602.83, 496,438.47 and 262,697.90

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Solution

The fourth proportional to 359,602.83, 496,438.47 and 262,697.90 is: 362,659.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,602.83 : 496,438.47 = 262,697.90 : x
  2. Step 2: Convert to fraction form
    359,602.83/496,438.47 = 262,697.90/x
  3. Step 3: Cross multiply
    359,602.83x = 496,438.47 × 262,697.90
  4. Step 4: Simplify right side
    359,602.83x = 130,413,341,066.02
  5. Step 5: Solve for x
    x = 130,413,341,066.02/359,602.83
  6. Step 6: Final answer
    x = 362,659.38

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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.