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Finding the Fourth Proportional to 545,356.26, 817,654.77 and 241,585.47

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Solution

The fourth proportional to 545,356.26, 817,654.77 and 241,585.47 is: 362,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,356.26 : 817,654.77 = 241,585.47 : x
  2. Step 2: Convert to fraction form
    545,356.26/817,654.77 = 241,585.47/x
  3. Step 3: Cross multiply
    545,356.26x = 817,654.77 × 241,585.47
  4. Step 4: Simplify right side
    545,356.26x = 197,533,511,908.19
  5. Step 5: Solve for x
    x = 197,533,511,908.19/545,356.26
  6. Step 6: Final answer
    x = 362,210.04

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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.