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Finding the Fourth Proportional to 565,265.28, 847,110.40 and 424,860.16

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Solution

The fourth proportional to 565,265.28, 847,110.40 and 424,860.16 is: 636,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,265.28 : 847,110.40 = 424,860.16 : x
  2. Step 2: Convert to fraction form
    565,265.28/847,110.40 = 424,860.16/x
  3. Step 3: Cross multiply
    565,265.28x = 847,110.40 × 424,860.16
  4. Step 4: Simplify right side
    565,265.28x = 359,903,460,081.66
  5. Step 5: Solve for x
    x = 359,903,460,081.66/565,265.28
  6. Step 6: Final answer
    x = 636,698.33

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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.