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Finding the Fourth Proportional to 883,517.76, 1,219,284 and 481,124.16

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Solution

The fourth proportional to 883,517.76, 1,219,284 and 481,124.16 is: 663,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,517.76 : 1,219,284 = 481,124.16 : x
  2. Step 2: Convert to fraction form
    883,517.76/1,219,284 = 481,124.16/x
  3. Step 3: Cross multiply
    883,517.76x = 1,219,284 × 481,124.16
  4. Step 4: Simplify right side
    883,517.76x = 586,626,990,301.44
  5. Step 5: Solve for x
    x = 586,626,990,301.44/883,517.76
  6. Step 6: Final answer
    x = 663,967.40

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1.5x scale

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.