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Finding the Fourth Proportional to 439,075.64, 605,924.98 and 237,871.64

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Solution

The fourth proportional to 439,075.64, 605,924.98 and 237,871.64 is: 328,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,075.64 : 605,924.98 = 237,871.64 : x
  2. Step 2: Convert to fraction form
    439,075.64/605,924.98 = 237,871.64/x
  3. Step 3: Cross multiply
    439,075.64x = 605,924.98 × 237,871.64
  4. Step 4: Simplify right side
    439,075.64x = 144,132,368,709.57
  5. Step 5: Solve for x
    x = 144,132,368,709.57/439,075.64
  6. Step 6: Final answer
    x = 328,263.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.