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Finding the Fourth Proportional to 518,656.38, 715,343.34 and 460,574.22

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Solution

The fourth proportional to 518,656.38, 715,343.34 and 460,574.22 is: 635,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,656.38 : 715,343.34 = 460,574.22 : x
  2. Step 2: Convert to fraction form
    518,656.38/715,343.34 = 460,574.22/x
  3. Step 3: Cross multiply
    518,656.38x = 715,343.34 × 460,574.22
  4. Step 4: Simplify right side
    518,656.38x = 329,468,700,852.70
  5. Step 5: Solve for x
    x = 329,468,700,852.70/518,656.38
  6. Step 6: Final answer
    x = 635,235.03

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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.