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Finding the Fourth Proportional to 319,612.01, 441,140.06 and 183,724.79

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Solution

The fourth proportional to 319,612.01, 441,140.06 and 183,724.79 is: 253,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,612.01 : 441,140.06 = 183,724.79 : x
  2. Step 2: Convert to fraction form
    319,612.01/441,140.06 = 183,724.79/x
  3. Step 3: Cross multiply
    319,612.01x = 441,140.06 × 183,724.79
  4. Step 4: Simplify right side
    319,612.01x = 81,048,364,585.66
  5. Step 5: Solve for x
    x = 81,048,364,585.66/319,612.01
  6. Step 6: Final answer
    x = 253,583.60

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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.