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Finding the Fourth Proportional to 524,087.46, 786,146.54 and 145,011.26

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Solution

The fourth proportional to 524,087.46, 786,146.54 and 145,011.26 is: 217,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,087.46 : 786,146.54 = 145,011.26 : x
  2. Step 2: Convert to fraction form
    524,087.46/786,146.54 = 145,011.26/x
  3. Step 3: Cross multiply
    524,087.46x = 786,146.54 × 145,011.26
  4. Step 4: Simplify right side
    524,087.46x = 114,000,101,550.35
  5. Step 5: Solve for x
    x = 114,000,101,550.35/524,087.46
  6. Step 6: Final answer
    x = 217,521.14

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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.