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Finding the Fourth Proportional to 536,011.60, 739,699.36 and 294,304.72

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Solution

The fourth proportional to 536,011.60, 739,699.36 and 294,304.72 is: 406,142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,011.60 : 739,699.36 = 294,304.72 : x
  2. Step 2: Convert to fraction form
    536,011.60/739,699.36 = 294,304.72/x
  3. Step 3: Cross multiply
    536,011.60x = 739,699.36 × 294,304.72
  4. Step 4: Simplify right side
    536,011.60x = 217,697,013,028.98
  5. Step 5: Solve for x
    x = 217,697,013,028.98/536,011.60
  6. Step 6: Final answer
    x = 406,142.35

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1.5x scale

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.