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Finding the Fourth Proportional to 376,661.34, 565,075.24 and 123,931.62

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Solution

The fourth proportional to 376,661.34, 565,075.24 and 123,931.62 is: 185,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,661.34 : 565,075.24 = 123,931.62 : x
  2. Step 2: Convert to fraction form
    376,661.34/565,075.24 = 123,931.62/x
  3. Step 3: Cross multiply
    376,661.34x = 565,075.24 × 123,931.62
  4. Step 4: Simplify right side
    376,661.34x = 70,030,689,605.26
  5. Step 5: Solve for x
    x = 70,030,689,605.26/376,661.34
  6. Step 6: Final answer
    x = 185,924.81

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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.