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Finding the Fourth Proportional to 438,107.06, 604,587.78 and 236,903.06

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Solution

The fourth proportional to 438,107.06, 604,587.78 and 236,903.06 is: 326,926.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,107.06 : 604,587.78 = 236,903.06 : x
  2. Step 2: Convert to fraction form
    438,107.06/604,587.78 = 236,903.06/x
  3. Step 3: Cross multiply
    438,107.06x = 604,587.78 × 236,903.06
  4. Step 4: Simplify right side
    438,107.06x = 143,228,696,632.08
  5. Step 5: Solve for x
    x = 143,228,696,632.08/438,107.06
  6. Step 6: Final answer
    x = 326,926.24

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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.