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Finding the Fourth Proportional to 536,730.40, 805,095.60 and 412,314.40

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Solution

The fourth proportional to 536,730.40, 805,095.60 and 412,314.40 is: 618,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,730.40 : 805,095.60 = 412,314.40 : x
  2. Step 2: Convert to fraction form
    536,730.40/805,095.60 = 412,314.40/x
  3. Step 3: Cross multiply
    536,730.40x = 805,095.60 × 412,314.40
  4. Step 4: Simplify right side
    536,730.40x = 331,952,509,256.64
  5. Step 5: Solve for x
    x = 331,952,509,256.64/536,730.40
  6. Step 6: Final answer
    x = 618,471.60

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Similar ratio
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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.