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Finding the Fourth Proportional to 323,032.58, 484,510.71 and 86,393.60

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Solution

The fourth proportional to 323,032.58, 484,510.71 and 86,393.60 is: 129,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,032.58 : 484,510.71 = 86,393.60 : x
  2. Step 2: Convert to fraction form
    323,032.58/484,510.71 = 86,393.60/x
  3. Step 3: Cross multiply
    323,032.58x = 484,510.71 × 86,393.60
  4. Step 4: Simplify right side
    323,032.58x = 41,858,624,475.46
  5. Step 5: Solve for x
    x = 41,858,624,475.46/323,032.58
  6. Step 6: Final answer
    x = 129,580.19

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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.