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Finding the Fourth Proportional to 316,777.84, 437,184.81 and 180,832.23

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Solution

The fourth proportional to 316,777.84, 437,184.81 and 180,832.23 is: 249,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,777.84 : 437,184.81 = 180,832.23 : x
  2. Step 2: Convert to fraction form
    316,777.84/437,184.81 = 180,832.23/x
  3. Step 3: Cross multiply
    316,777.84x = 437,184.81 × 180,832.23
  4. Step 4: Simplify right side
    316,777.84x = 79,057,104,114.43
  5. Step 5: Solve for x
    x = 79,057,104,114.43/316,777.84
  6. Step 6: Final answer
    x = 249,566.40

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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.