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Finding the Fourth Proportional to 266,034.77, 399,209.73 and 249,203.07

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Solution

The fourth proportional to 266,034.77, 399,209.73 and 249,203.07 is: 373,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,034.77 : 399,209.73 = 249,203.07 : x
  2. Step 2: Convert to fraction form
    266,034.77/399,209.73 = 249,203.07/x
  3. Step 3: Cross multiply
    266,034.77x = 399,209.73 × 249,203.07
  4. Step 4: Simplify right side
    266,034.77x = 99,484,290,289.87
  5. Step 5: Solve for x
    x = 99,484,290,289.87/266,034.77
  6. Step 6: Final answer
    x = 373,952.21

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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.