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Finding the Fourth Proportional to 306,557.52, 459,702.23 and 154,661.15

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Solution

The fourth proportional to 306,557.52, 459,702.23 and 154,661.15 is: 231,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,557.52 : 459,702.23 = 154,661.15 : x
  2. Step 2: Convert to fraction form
    306,557.52/459,702.23 = 154,661.15/x
  3. Step 3: Cross multiply
    306,557.52x = 459,702.23 × 154,661.15
  4. Step 4: Simplify right side
    306,557.52x = 71,098,075,549.36
  5. Step 5: Solve for x
    x = 71,098,075,549.36/306,557.52
  6. Step 6: Final answer
    x = 231,924.10

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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.