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Finding the Fourth Proportional to 236,391, 326,219.58 and 151,508.07

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Solution

The fourth proportional to 236,391, 326,219.58 and 151,508.07 is: 209,081.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,391 : 326,219.58 = 151,508.07 : x
  2. Step 2: Convert to fraction form
    236,391/326,219.58 = 151,508.07/x
  3. Step 3: Cross multiply
    236,391x = 326,219.58 × 151,508.07
  4. Step 4: Simplify right side
    236,391x = 49,424,898,962.01
  5. Step 5: Solve for x
    x = 49,424,898,962.01/236,391
  6. Step 6: Final answer
    x = 209,081.14

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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.