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Finding the Fourth Proportional to 507,052.90, 760,529.79 and 133,075.90

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Solution

The fourth proportional to 507,052.90, 760,529.79 and 133,075.90 is: 199,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,052.90 : 760,529.79 = 133,075.90 : x
  2. Step 2: Convert to fraction form
    507,052.90/760,529.79 = 133,075.90/x
  3. Step 3: Cross multiply
    507,052.90x = 760,529.79 × 133,075.90
  4. Step 4: Simplify right side
    507,052.90x = 101,208,186,281.06
  5. Step 5: Solve for x
    x = 101,208,186,281.06/507,052.90
  6. Step 6: Final answer
    x = 199,600.84

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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.