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Finding the Fourth Proportional to 886,880.16, 1,223,892.72 and 484,472.16

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Solution

The fourth proportional to 886,880.16, 1,223,892.72 and 484,472.16 is: 668,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,880.16 : 1,223,892.72 = 484,472.16 : x
  2. Step 2: Convert to fraction form
    886,880.16/1,223,892.72 = 484,472.16/x
  3. Step 3: Cross multiply
    886,880.16x = 1,223,892.72 × 484,472.16
  4. Step 4: Simplify right side
    886,880.16x = 592,941,949,666.68
  5. Step 5: Solve for x
    x = 592,941,949,666.68/886,880.16
  6. Step 6: Final answer
    x = 668,570.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.