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Finding the Fourth Proportional to 961,563, 1,326,798.54 and 531,759

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Solution

The fourth proportional to 961,563, 1,326,798.54 and 531,759 is: 733,739.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,563 : 1,326,798.54 = 531,759 : x
  2. Step 2: Convert to fraction form
    961,563/1,326,798.54 = 531,759/x
  3. Step 3: Cross multiply
    961,563x = 1,326,798.54 × 531,759
  4. Step 4: Simplify right side
    961,563x = 705,537,064,831.86
  5. Step 5: Solve for x
    x = 705,537,064,831.86/961,563
  6. Step 6: Final answer
    x = 733,739.82

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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.