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Finding the Fourth Proportional to 962,783.52, 1,328,652 and 533,103.36

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Solution

The fourth proportional to 962,783.52, 1,328,652 and 533,103.36 is: 735,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,783.52 : 1,328,652 = 533,103.36 : x
  2. Step 2: Convert to fraction form
    962,783.52/1,328,652 = 533,103.36/x
  3. Step 3: Cross multiply
    962,783.52x = 1,328,652 × 533,103.36
  4. Step 4: Simplify right side
    962,783.52x = 708,308,845,470.72
  5. Step 5: Solve for x
    x = 708,308,845,470.72/962,783.52
  6. Step 6: Final answer
    x = 735,688.58

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1.5x scale

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.