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Finding the Fourth Proportional to 507,404.75, 761,152.08 and 133,427.75

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Solution

The fourth proportional to 507,404.75, 761,152.08 and 133,427.75 is: 200,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,404.75 : 761,152.08 = 133,427.75 : x
  2. Step 2: Convert to fraction form
    507,404.75/761,152.08 = 133,427.75/x
  3. Step 3: Cross multiply
    507,404.75x = 761,152.08 × 133,427.75
  4. Step 4: Simplify right side
    507,404.75x = 101,558,809,442.22
  5. Step 5: Solve for x
    x = 101,558,809,442.22/507,404.75
  6. Step 6: Final answer
    x = 200,153.45

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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.