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Finding the Fourth Proportional to 316,833.82, 437,213.95 and 180,862.36

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Solution

The fourth proportional to 316,833.82, 437,213.95 and 180,862.36 is: 249,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,833.82 : 437,213.95 = 180,862.36 : x
  2. Step 2: Convert to fraction form
    316,833.82/437,213.95 = 180,862.36/x
  3. Step 3: Cross multiply
    316,833.82x = 437,213.95 × 180,862.36
  4. Step 4: Simplify right side
    316,833.82x = 79,075,546,821.92
  5. Step 5: Solve for x
    x = 79,075,546,821.92/316,833.82
  6. Step 6: Final answer
    x = 249,580.51

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1.5x scale

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.