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Finding the Fourth Proportional to 369,294.46, 554,035.14 and 103,054.92

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Solution

The fourth proportional to 369,294.46, 554,035.14 and 103,054.92 is: 154,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,294.46 : 554,035.14 = 103,054.92 : x
  2. Step 2: Convert to fraction form
    369,294.46/554,035.14 = 103,054.92/x
  3. Step 3: Cross multiply
    369,294.46x = 554,035.14 × 103,054.92
  4. Step 4: Simplify right side
    369,294.46x = 57,096,047,029.89
  5. Step 5: Solve for x
    x = 57,096,047,029.89/369,294.46
  6. Step 6: Final answer
    x = 154,608.46

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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.