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Finding the Fourth Proportional to 507,054.40, 760,532.04 and 133,077.40

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Solution

The fourth proportional to 507,054.40, 760,532.04 and 133,077.40 is: 199,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,054.40 : 760,532.04 = 133,077.40 : x
  2. Step 2: Convert to fraction form
    507,054.40/760,532.04 = 133,077.40/x
  3. Step 3: Cross multiply
    507,054.40x = 760,532.04 × 133,077.40
  4. Step 4: Simplify right side
    507,054.40x = 101,209,626,499.90
  5. Step 5: Solve for x
    x = 101,209,626,499.90/507,054.40
  6. Step 6: Final answer
    x = 199,603.09

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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.