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Finding the Fourth Proportional to 567,514.96, 783,176.68 and 312,875.26

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Solution

The fourth proportional to 567,514.96, 783,176.68 and 312,875.26 is: 431,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,514.96 : 783,176.68 = 312,875.26 : x
  2. Step 2: Convert to fraction form
    567,514.96/783,176.68 = 312,875.26/x
  3. Step 3: Cross multiply
    567,514.96x = 783,176.68 × 312,875.26
  4. Step 4: Simplify right side
    567,514.96x = 245,036,607,380.94
  5. Step 5: Solve for x
    x = 245,036,607,380.94/567,514.96
  6. Step 6: Final answer
    x = 431,771.19

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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.