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Finding the Fourth Proportional to 319,054, 440,292.63 and 173,859.52

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Solution

The fourth proportional to 319,054, 440,292.63 and 173,859.52 is: 239,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,054 : 440,292.63 = 173,859.52 : x
  2. Step 2: Convert to fraction form
    319,054/440,292.63 = 173,859.52/x
  3. Step 3: Cross multiply
    319,054x = 440,292.63 × 173,859.52
  4. Step 4: Simplify right side
    319,054x = 76,549,065,311.34
  5. Step 5: Solve for x
    x = 76,549,065,311.34/319,054
  6. Step 6: Final answer
    x = 239,925.11

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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.