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Finding the Fourth Proportional to 508,409.16, 761,684.27 and 238,041.29

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Solution

The fourth proportional to 508,409.16, 761,684.27 and 238,041.29 is: 356,626.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,409.16 : 761,684.27 = 238,041.29 : x
  2. Step 2: Convert to fraction form
    508,409.16/761,684.27 = 238,041.29/x
  3. Step 3: Cross multiply
    508,409.16x = 761,684.27 × 238,041.29
  4. Step 4: Simplify right side
    508,409.16x = 181,312,301,204.88
  5. Step 5: Solve for x
    x = 181,312,301,204.88/508,409.16
  6. Step 6: Final answer
    x = 356,626.74

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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.