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Finding the Fourth Proportional to 532,409.06, 734,726.04 and 290,693.72

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Solution

The fourth proportional to 532,409.06, 734,726.04 and 290,693.72 is: 401,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,409.06 : 734,726.04 = 290,693.72 : x
  2. Step 2: Convert to fraction form
    532,409.06/734,726.04 = 290,693.72/x
  3. Step 3: Cross multiply
    532,409.06x = 734,726.04 × 290,693.72
  4. Step 4: Simplify right side
    532,409.06x = 213,580,245,748.47
  5. Step 5: Solve for x
    x = 213,580,245,748.47/532,409.06
  6. Step 6: Final answer
    x = 401,158.17

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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.