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Finding the Fourth Proportional to 545,460.18, 817,809.87 and 241,689.12

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Solution

The fourth proportional to 545,460.18, 817,809.87 and 241,689.12 is: 362,365.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,460.18 : 817,809.87 = 241,689.12 : x
  2. Step 2: Convert to fraction form
    545,460.18/817,809.87 = 241,689.12/x
  3. Step 3: Cross multiply
    545,460.18x = 817,809.87 × 241,689.12
  4. Step 4: Simplify right side
    545,460.18x = 197,655,747,807.61
  5. Step 5: Solve for x
    x = 197,655,747,807.61/545,460.18
  6. Step 6: Final answer
    x = 362,365.13

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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.