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Finding the Fourth Proportional to 528,714.96, 793,197.24 and 173,730

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Solution

The fourth proportional to 528,714.96, 793,197.24 and 173,730 is: 260,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,714.96 : 793,197.24 = 173,730 : x
  2. Step 2: Convert to fraction form
    528,714.96/793,197.24 = 173,730/x
  3. Step 3: Cross multiply
    528,714.96x = 793,197.24 × 173,730
  4. Step 4: Simplify right side
    528,714.96x = 137,802,156,505.20
  5. Step 5: Solve for x
    x = 137,802,156,505.20/528,714.96
  6. Step 6: Final answer
    x = 260,636.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.