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Finding the Fourth Proportional to 569,486.08, 854,237.40 and 148,762

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Solution

The fourth proportional to 569,486.08, 854,237.40 and 148,762 is: 223,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,486.08 : 854,237.40 = 148,762 : x
  2. Step 2: Convert to fraction form
    569,486.08/854,237.40 = 148,762/x
  3. Step 3: Cross multiply
    569,486.08x = 854,237.40 × 148,762
  4. Step 4: Simplify right side
    569,486.08x = 127,078,064,098.80
  5. Step 5: Solve for x
    x = 127,078,064,098.80/569,486.08
  6. Step 6: Final answer
    x = 223,145.16

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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.