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Finding the Fourth Proportional to 443,011.70, 611,356.14 and 241,807.70

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Solution

The fourth proportional to 443,011.70, 611,356.14 and 241,807.70 is: 333,694.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,011.70 : 611,356.14 = 241,807.70 : x
  2. Step 2: Convert to fraction form
    443,011.70/611,356.14 = 241,807.70/x
  3. Step 3: Cross multiply
    443,011.70x = 611,356.14 × 241,807.70
  4. Step 4: Simplify right side
    443,011.70x = 147,830,619,037.50
  5. Step 5: Solve for x
    x = 147,830,619,037.50/443,011.70
  6. Step 6: Final answer
    x = 333,694.62

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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.