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Finding the Fourth Proportional to 495,536.40, 739,559.88 and 447,706.80

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Solution

The fourth proportional to 495,536.40, 739,559.88 and 447,706.80 is: 668,176.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,536.40 : 739,559.88 = 447,706.80 : x
  2. Step 2: Convert to fraction form
    495,536.40/739,559.88 = 447,706.80/x
  3. Step 3: Cross multiply
    495,536.40x = 739,559.88 × 447,706.80
  4. Step 4: Simplify right side
    495,536.40x = 331,105,987,283.18
  5. Step 5: Solve for x
    x = 331,105,987,283.18/495,536.40
  6. Step 6: Final answer
    x = 668,176.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.