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Finding the Fourth Proportional to 316,701.80, 437,055.57 and 180,733.04

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Solution

The fourth proportional to 316,701.80, 437,055.57 and 180,733.04 is: 249,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,701.80 : 437,055.57 = 180,733.04 : x
  2. Step 2: Convert to fraction form
    316,701.80/437,055.57 = 180,733.04/x
  3. Step 3: Cross multiply
    316,701.80x = 437,055.57 × 180,733.04
  4. Step 4: Simplify right side
    316,701.80x = 78,990,382,907.67
  5. Step 5: Solve for x
    x = 78,990,382,907.67/316,701.80
  6. Step 6: Final answer
    x = 249,415.64

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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.