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Finding the Fourth Proportional to 518,891.04, 716,276.52 and 446,006.16

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Solution

The fourth proportional to 518,891.04, 716,276.52 and 446,006.16 is: 615,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,891.04 : 716,276.52 = 446,006.16 : x
  2. Step 2: Convert to fraction form
    518,891.04/716,276.52 = 446,006.16/x
  3. Step 3: Cross multiply
    518,891.04x = 716,276.52 × 446,006.16
  4. Step 4: Simplify right side
    518,891.04x = 319,463,740,183.36
  5. Step 5: Solve for x
    x = 319,463,740,183.36/518,891.04
  6. Step 6: Final answer
    x = 615,666.33

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Similar ratio
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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.