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Finding the Fourth Proportional to 622,576.80, 932,368.32 and 355,527.84

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Solution

The fourth proportional to 622,576.80, 932,368.32 and 355,527.84 is: 532,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,576.80 : 932,368.32 = 355,527.84 : x
  2. Step 2: Convert to fraction form
    622,576.80/932,368.32 = 355,527.84/x
  3. Step 3: Cross multiply
    622,576.80x = 932,368.32 × 355,527.84
  4. Step 4: Simplify right side
    622,576.80x = 331,482,894,894.03
  5. Step 5: Solve for x
    x = 331,482,894,894.03/622,576.80
  6. Step 6: Final answer
    x = 532,436.95

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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.