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Finding the Fourth Proportional to 438,767.16, 605,509.92 and 269,094.84

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Solution

The fourth proportional to 438,767.16, 605,509.92 and 269,094.84 is: 371,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,767.16 : 605,509.92 = 269,094.84 : x
  2. Step 2: Convert to fraction form
    438,767.16/605,509.92 = 269,094.84/x
  3. Step 3: Cross multiply
    438,767.16x = 605,509.92 × 269,094.84
  4. Step 4: Simplify right side
    438,767.16x = 162,939,595,040.81
  5. Step 5: Solve for x
    x = 162,939,595,040.81/438,767.16
  6. Step 6: Final answer
    x = 371,357.77

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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.