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Finding the Fourth Proportional to 319,843.03, 441,409.35 and 183,921.16

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Solution

The fourth proportional to 319,843.03, 441,409.35 and 183,921.16 is: 253,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,843.03 : 441,409.35 = 183,921.16 : x
  2. Step 2: Convert to fraction form
    319,843.03/441,409.35 = 183,921.16/x
  3. Step 3: Cross multiply
    319,843.03x = 441,409.35 × 183,921.16
  4. Step 4: Simplify right side
    319,843.03x = 81,184,519,686.85
  5. Step 5: Solve for x
    x = 81,184,519,686.85/319,843.03
  6. Step 6: Final answer
    x = 253,826.13

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1.5x scale

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.