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Finding the Fourth Proportional to 532,292.61, 734,565.87 and 290,580.51

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Solution

The fourth proportional to 532,292.61, 734,565.87 and 290,580.51 is: 401,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,292.61 : 734,565.87 = 290,580.51 : x
  2. Step 2: Convert to fraction form
    532,292.61/734,565.87 = 290,580.51/x
  3. Step 3: Cross multiply
    532,292.61x = 734,565.87 × 290,580.51
  4. Step 4: Simplify right side
    532,292.61x = 213,450,525,133.19
  5. Step 5: Solve for x
    x = 213,450,525,133.19/532,292.61
  6. Step 6: Final answer
    x = 401,002.23

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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.