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Finding the Fourth Proportional to 1,965,948.08, 2,949,437.16 and 618,056.24

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Solution

The fourth proportional to 1,965,948.08, 2,949,437.16 and 618,056.24 is: 927,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,948.08 : 2,949,437.16 = 618,056.24 : x
  2. Step 2: Convert to fraction form
    1,965,948.08/2,949,437.16 = 618,056.24/x
  3. Step 3: Cross multiply
    1,965,948.08x = 2,949,437.16 × 618,056.24
  4. Step 4: Simplify right side
    1,965,948.08x = 1,822,918,041,225.88
  5. Step 5: Solve for x
    x = 1,822,918,041,225.88/1,965,948.08
  6. Step 6: Final answer
    x = 927,246.28

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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.