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Finding the Fourth Proportional to 355,292.04, 532,674.54 and 215,017.32

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Solution

The fourth proportional to 355,292.04, 532,674.54 and 215,017.32 is: 322,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,292.04 : 532,674.54 = 215,017.32 : x
  2. Step 2: Convert to fraction form
    355,292.04/532,674.54 = 215,017.32/x
  3. Step 3: Cross multiply
    355,292.04x = 532,674.54 × 215,017.32
  4. Step 4: Simplify right side
    355,292.04x = 114,534,252,023.03
  5. Step 5: Solve for x
    x = 114,534,252,023.03/355,292.04
  6. Step 6: Final answer
    x = 322,366.50

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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.