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Finding the Fourth Proportional to 624,235.16, 936,360.67 and 219,411.02

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Solution

The fourth proportional to 624,235.16, 936,360.67 and 219,411.02 is: 329,119.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,235.16 : 936,360.67 = 219,411.02 : x
  2. Step 2: Convert to fraction form
    624,235.16/936,360.67 = 219,411.02/x
  3. Step 3: Cross multiply
    624,235.16x = 936,360.67 × 219,411.02
  4. Step 4: Simplify right side
    624,235.16x = 205,447,849,692.58
  5. Step 5: Solve for x
    x = 205,447,849,692.58/624,235.16
  6. Step 6: Final answer
    x = 329,119.32

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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.