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Finding the Fourth Proportional to 554,230.32, 831,565.08 and 288,158.64

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Solution

The fourth proportional to 554,230.32, 831,565.08 and 288,158.64 is: 432,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,230.32 : 831,565.08 = 288,158.64 : x
  2. Step 2: Convert to fraction form
    554,230.32/831,565.08 = 288,158.64/x
  3. Step 3: Cross multiply
    554,230.32x = 831,565.08 × 288,158.64
  4. Step 4: Simplify right side
    554,230.32x = 239,622,662,524.29
  5. Step 5: Solve for x
    x = 239,622,662,524.29/554,230.32
  6. Step 6: Final answer
    x = 432,352.14

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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.