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Finding the Fourth Proportional to 316,778.76, 437,186.01 and 180,833.16

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Solution

The fourth proportional to 316,778.76, 437,186.01 and 180,833.16 is: 249,567.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,778.76 : 437,186.01 = 180,833.16 : x
  2. Step 2: Convert to fraction form
    316,778.76/437,186.01 = 180,833.16/x
  3. Step 3: Cross multiply
    316,778.76x = 437,186.01 × 180,833.16
  4. Step 4: Simplify right side
    316,778.76x = 79,057,727,696.09
  5. Step 5: Solve for x
    x = 79,057,727,696.09/316,778.76
  6. Step 6: Final answer
    x = 249,567.64

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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.