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Finding the Fourth Proportional to 480,913.98, 663,603.58 and 277,031.58

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Solution

The fourth proportional to 480,913.98, 663,603.58 and 277,031.58 is: 382,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,913.98 : 663,603.58 = 277,031.58 : x
  2. Step 2: Convert to fraction form
    480,913.98/663,603.58 = 277,031.58/x
  3. Step 3: Cross multiply
    480,913.98x = 663,603.58 × 277,031.58
  4. Step 4: Simplify right side
    480,913.98x = 183,839,148,261.06
  5. Step 5: Solve for x
    x = 183,839,148,261.06/480,913.98
  6. Step 6: Final answer
    x = 382,270.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.