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Finding the Fourth Proportional to 334,307.70, 501,462.72 and 84,989.70

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Solution

The fourth proportional to 334,307.70, 501,462.72 and 84,989.70 is: 127,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,307.70 : 501,462.72 = 84,989.70 : x
  2. Step 2: Convert to fraction form
    334,307.70/501,462.72 = 84,989.70/x
  3. Step 3: Cross multiply
    334,307.70x = 501,462.72 × 84,989.70
  4. Step 4: Simplify right side
    334,307.70x = 42,619,166,133.98
  5. Step 5: Solve for x
    x = 42,619,166,133.98/334,307.70
  6. Step 6: Final answer
    x = 127,484.85

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1.5x scale

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.