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Finding the Fourth Proportional to 329,328.72, 454,482.63 and 186,085.89

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Solution

The fourth proportional to 329,328.72, 454,482.63 and 186,085.89 is: 256,803.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,328.72 : 454,482.63 = 186,085.89 : x
  2. Step 2: Convert to fraction form
    329,328.72/454,482.63 = 186,085.89/x
  3. Step 3: Cross multiply
    329,328.72x = 454,482.63 × 186,085.89
  4. Step 4: Simplify right side
    329,328.72x = 84,572,804,693.09
  5. Step 5: Solve for x
    x = 84,572,804,693.09/329,328.72
  6. Step 6: Final answer
    x = 256,803.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.