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Finding the Fourth Proportional to 733,263.55, 1,099,978.36 and 657,920.72

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Solution

The fourth proportional to 733,263.55, 1,099,978.36 and 657,920.72 is: 986,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,263.55 : 1,099,978.36 = 657,920.72 : x
  2. Step 2: Convert to fraction form
    733,263.55/1,099,978.36 = 657,920.72/x
  3. Step 3: Cross multiply
    733,263.55x = 1,099,978.36 × 657,920.72
  4. Step 4: Simplify right side
    733,263.55x = 723,698,547,450.93
  5. Step 5: Solve for x
    x = 723,698,547,450.93/733,263.55
  6. Step 6: Final answer
    x = 986,955.58

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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.