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Finding the Fourth Proportional to 622,971.71, 934,535.42 and 243,843.51

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Solution

The fourth proportional to 622,971.71, 934,535.42 and 243,843.51 is: 365,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,971.71 : 934,535.42 = 243,843.51 : x
  2. Step 2: Convert to fraction form
    622,971.71/934,535.42 = 243,843.51/x
  3. Step 3: Cross multiply
    622,971.71x = 934,535.42 × 243,843.51
  4. Step 4: Simplify right side
    622,971.71x = 227,880,395,812.91
  5. Step 5: Solve for x
    x = 227,880,395,812.91/622,971.71
  6. Step 6: Final answer
    x = 365,795.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.