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Finding the Fourth Proportional to 369,513.63, 554,270.45 and 89,030.88

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Solution

The fourth proportional to 369,513.63, 554,270.45 and 89,030.88 is: 133,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,513.63 : 554,270.45 = 89,030.88 : x
  2. Step 2: Convert to fraction form
    369,513.63/554,270.45 = 89,030.88/x
  3. Step 3: Cross multiply
    369,513.63x = 554,270.45 × 89,030.88
  4. Step 4: Simplify right side
    369,513.63x = 49,347,185,476.34
  5. Step 5: Solve for x
    x = 49,347,185,476.34/369,513.63
  6. Step 6: Final answer
    x = 133,546.32

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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.