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Finding the Fourth Proportional to 518,653.07, 715,338.77 and 460,570.89

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Solution

The fourth proportional to 518,653.07, 715,338.77 and 460,570.89 is: 635,230.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,653.07 : 715,338.77 = 460,570.89 : x
  2. Step 2: Convert to fraction form
    518,653.07/715,338.77 = 460,570.89/x
  3. Step 3: Cross multiply
    518,653.07x = 715,338.77 × 460,570.89
  4. Step 4: Simplify right side
    518,653.07x = 329,464,213,950.41
  5. Step 5: Solve for x
    x = 329,464,213,950.41/518,653.07
  6. Step 6: Final answer
    x = 635,230.43

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Double scale
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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.