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Finding the Fourth Proportional to 545,603.24, 818,526.96 and 166,557.66

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Solution

The fourth proportional to 545,603.24, 818,526.96 and 166,557.66 is: 249,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,603.24 : 818,526.96 = 166,557.66 : x
  2. Step 2: Convert to fraction form
    545,603.24/818,526.96 = 166,557.66/x
  3. Step 3: Cross multiply
    545,603.24x = 818,526.96 × 166,557.66
  4. Step 4: Simplify right side
    545,603.24x = 136,331,935,104.51
  5. Step 5: Solve for x
    x = 136,331,935,104.51/545,603.24
  6. Step 6: Final answer
    x = 249,873.77

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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.