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Finding the Fourth Proportional to 450,950.88, 675,352.64 and 261,011.28

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Solution

The fourth proportional to 450,950.88, 675,352.64 and 261,011.28 is: 390,895.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,950.88 : 675,352.64 = 261,011.28 : x
  2. Step 2: Convert to fraction form
    450,950.88/675,352.64 = 261,011.28/x
  3. Step 3: Cross multiply
    450,950.88x = 675,352.64 × 261,011.28
  4. Step 4: Simplify right side
    450,950.88x = 176,274,657,017.78
  5. Step 5: Solve for x
    x = 176,274,657,017.78/450,950.88
  6. Step 6: Final answer
    x = 390,895.47

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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.