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Finding the Fourth Proportional to 518,653.58, 715,339.46 and 460,571.40

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Solution

The fourth proportional to 518,653.58, 715,339.46 and 460,571.40 is: 635,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,653.58 : 715,339.46 = 460,571.40 : x
  2. Step 2: Convert to fraction form
    518,653.58/715,339.46 = 460,571.40/x
  3. Step 3: Cross multiply
    518,653.58x = 715,339.46 × 460,571.40
  4. Step 4: Simplify right side
    518,653.58x = 329,464,894,264.59
  5. Step 5: Solve for x
    x = 329,464,894,264.59/518,653.58
  6. Step 6: Final answer
    x = 635,231.13

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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.