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Finding the Fourth Proportional to 416,871.16, 623,811.98 and 360,903.80

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Solution

The fourth proportional to 416,871.16, 623,811.98 and 360,903.80 is: 540,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,871.16 : 623,811.98 = 360,903.80 : x
  2. Step 2: Convert to fraction form
    416,871.16/623,811.98 = 360,903.80/x
  3. Step 3: Cross multiply
    416,871.16x = 623,811.98 × 360,903.80
  4. Step 4: Simplify right side
    416,871.16x = 225,136,116,529.31
  5. Step 5: Solve for x
    x = 225,136,116,529.31/416,871.16
  6. Step 6: Final answer
    x = 540,061.63

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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.