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Finding the Fourth Proportional to 319,707.95, 441,211.66 and 183,785.90

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Solution

The fourth proportional to 319,707.95, 441,211.66 and 183,785.90 is: 253,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,707.95 : 441,211.66 = 183,785.90 : x
  2. Step 2: Convert to fraction form
    319,707.95/441,211.66 = 183,785.90/x
  3. Step 3: Cross multiply
    319,707.95x = 441,211.66 × 183,785.90
  4. Step 4: Simplify right side
    319,707.95x = 81,088,479,358.07
  5. Step 5: Solve for x
    x = 81,088,479,358.07/319,707.95
  6. Step 6: Final answer
    x = 253,632.98

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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.