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Finding the Fourth Proportional to 507,294.01, 760,973.82 and 170,321.05

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Solution

The fourth proportional to 507,294.01, 760,973.82 and 170,321.05 is: 255,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,294.01 : 760,973.82 = 170,321.05 : x
  2. Step 2: Convert to fraction form
    507,294.01/760,973.82 = 170,321.05/x
  3. Step 3: Cross multiply
    507,294.01x = 760,973.82 × 170,321.05
  4. Step 4: Simplify right side
    507,294.01x = 129,609,860,044.91
  5. Step 5: Solve for x
    x = 129,609,860,044.91/507,294.01
  6. Step 6: Final answer
    x = 255,492.59

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1.5x scale

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.