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Finding the Fourth Proportional to 644,678.97, 967,050.56 and 245,350.69

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Solution

The fourth proportional to 644,678.97, 967,050.56 and 245,350.69 is: 368,038.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,678.97 : 967,050.56 = 245,350.69 : x
  2. Step 2: Convert to fraction form
    644,678.97/967,050.56 = 245,350.69/x
  3. Step 3: Cross multiply
    644,678.97x = 967,050.56 × 245,350.69
  4. Step 4: Simplify right side
    644,678.97x = 237,266,520,356.64
  5. Step 5: Solve for x
    x = 237,266,520,356.64/644,678.97
  6. Step 6: Final answer
    x = 368,038.25

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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.