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Finding the Fourth Proportional to 672,717.26, 927,595.67 and 549,828.25

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Solution

The fourth proportional to 672,717.26, 927,595.67 and 549,828.25 is: 758,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,717.26 : 927,595.67 = 549,828.25 : x
  2. Step 2: Convert to fraction form
    672,717.26/927,595.67 = 549,828.25/x
  3. Step 3: Cross multiply
    672,717.26x = 927,595.67 × 549,828.25
  4. Step 4: Simplify right side
    672,717.26x = 510,018,296,556.56
  5. Step 5: Solve for x
    x = 510,018,296,556.56/672,717.26
  6. Step 6: Final answer
    x = 758,146.59

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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.