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Finding the Fourth Proportional to 370,666.76, 511,518.48 and 200,900.93

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Solution

The fourth proportional to 370,666.76, 511,518.48 and 200,900.93 is: 277,242.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,666.76 : 511,518.48 = 200,900.93 : x
  2. Step 2: Convert to fraction form
    370,666.76/511,518.48 = 200,900.93/x
  3. Step 3: Cross multiply
    370,666.76x = 511,518.48 × 200,900.93
  4. Step 4: Simplify right side
    370,666.76x = 102,764,538,344.19
  5. Step 5: Solve for x
    x = 102,764,538,344.19/370,666.76
  6. Step 6: Final answer
    x = 277,242.39

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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.