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Finding the Fourth Proportional to 545,511.92, 817,887.58 and 241,740.65

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Solution

The fourth proportional to 545,511.92, 817,887.58 and 241,740.65 is: 362,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,511.92 : 817,887.58 = 241,740.65 : x
  2. Step 2: Convert to fraction form
    545,511.92/817,887.58 = 241,740.65/x
  3. Step 3: Cross multiply
    545,511.92x = 817,887.58 × 241,740.65
  4. Step 4: Simplify right side
    545,511.92x = 197,716,676,656.49
  5. Step 5: Solve for x
    x = 197,716,676,656.49/545,511.92
  6. Step 6: Final answer
    x = 362,442.45

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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.