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Finding the Fourth Proportional to 518,676.24, 715,751.04 and 382,661.22

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Solution

The fourth proportional to 518,676.24, 715,751.04 and 382,661.22 is: 528,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,676.24 : 715,751.04 = 382,661.22 : x
  2. Step 2: Convert to fraction form
    518,676.24/715,751.04 = 382,661.22/x
  3. Step 3: Cross multiply
    518,676.24x = 715,751.04 × 382,661.22
  4. Step 4: Simplify right side
    518,676.24x = 273,890,166,182.67
  5. Step 5: Solve for x
    x = 273,890,166,182.67/518,676.24
  6. Step 6: Final answer
    x = 528,056.13

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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.