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Finding the Fourth Proportional to 651,813.28, 976,274.88 and 500,942.72

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Solution

The fourth proportional to 651,813.28, 976,274.88 and 500,942.72 is: 750,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,813.28 : 976,274.88 = 500,942.72 : x
  2. Step 2: Convert to fraction form
    651,813.28/976,274.88 = 500,942.72/x
  3. Step 3: Cross multiply
    651,813.28x = 976,274.88 × 500,942.72
  4. Step 4: Simplify right side
    651,813.28x = 489,057,793,854.87
  5. Step 5: Solve for x
    x = 489,057,793,854.87/651,813.28
  6. Step 6: Final answer
    x = 750,303.51

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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.