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Finding the Fourth Proportional to 439,800.35, 606,925.64 and 238,596.35

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Solution

The fourth proportional to 439,800.35, 606,925.64 and 238,596.35 is: 329,263.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,800.35 : 606,925.64 = 238,596.35 : x
  2. Step 2: Convert to fraction form
    439,800.35/606,925.64 = 238,596.35/x
  3. Step 3: Cross multiply
    439,800.35x = 606,925.64 × 238,596.35
  4. Step 4: Simplify right side
    439,800.35x = 144,810,239,987.28
  5. Step 5: Solve for x
    x = 144,810,239,987.28/439,800.35
  6. Step 6: Final answer
    x = 329,263.59

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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.