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Finding the Fourth Proportional to 431,488.02, 646,782.98 and 241,670.08

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Solution

The fourth proportional to 431,488.02, 646,782.98 and 241,670.08 is: 362,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,488.02 : 646,782.98 = 241,670.08 : x
  2. Step 2: Convert to fraction form
    431,488.02/646,782.98 = 241,670.08/x
  3. Step 3: Cross multiply
    431,488.02x = 646,782.98 × 241,670.08
  4. Step 4: Simplify right side
    431,488.02x = 156,308,091,285.32
  5. Step 5: Solve for x
    x = 156,308,091,285.32/431,488.02
  6. Step 6: Final answer
    x = 362,253.61

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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.