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Finding the Fourth Proportional to 607,389.25, 838,192.25 and 335,475.79

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Solution

The fourth proportional to 607,389.25, 838,192.25 and 335,475.79 is: 462,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,389.25 : 838,192.25 = 335,475.79 : x
  2. Step 2: Convert to fraction form
    607,389.25/838,192.25 = 335,475.79/x
  3. Step 3: Cross multiply
    607,389.25x = 838,192.25 × 335,475.79
  4. Step 4: Simplify right side
    607,389.25x = 281,193,201,372.29
  5. Step 5: Solve for x
    x = 281,193,201,372.29/607,389.25
  6. Step 6: Final answer
    x = 462,953.87

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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.