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Finding the Fourth Proportional to 508,238.74, 701,362.92 and 290,444.93

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Solution

The fourth proportional to 508,238.74, 701,362.92 and 290,444.93 is: 400,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,238.74 : 701,362.92 = 290,444.93 : x
  2. Step 2: Convert to fraction form
    508,238.74/701,362.92 = 290,444.93/x
  3. Step 3: Cross multiply
    508,238.74x = 701,362.92 × 290,444.93
  4. Step 4: Simplify right side
    508,238.74x = 203,707,300,929.63
  5. Step 5: Solve for x
    x = 203,707,300,929.63/508,238.74
  6. Step 6: Final answer
    x = 400,810.26

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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.