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Finding the Fourth Proportional to 495,594.15, 746,722.80 and 448,261.98

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Solution

The fourth proportional to 495,594.15, 746,722.80 and 448,261.98 is: 675,406.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,594.15 : 746,722.80 = 448,261.98 : x
  2. Step 2: Convert to fraction form
    495,594.15/746,722.80 = 448,261.98/x
  3. Step 3: Cross multiply
    495,594.15x = 746,722.80 × 448,261.98
  4. Step 4: Simplify right side
    495,594.15x = 334,727,440,839.14
  5. Step 5: Solve for x
    x = 334,727,440,839.14/495,594.15
  6. Step 6: Final answer
    x = 675,406.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.