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Finding the Fourth Proportional to 316,818.56, 437,154.04 and 180,790.40

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Solution

The fourth proportional to 316,818.56, 437,154.04 and 180,790.40 is: 249,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,818.56 : 437,154.04 = 180,790.40 : x
  2. Step 2: Convert to fraction form
    316,818.56/437,154.04 = 180,790.40/x
  3. Step 3: Cross multiply
    316,818.56x = 437,154.04 × 180,790.40
  4. Step 4: Simplify right side
    316,818.56x = 79,033,253,753.22
  5. Step 5: Solve for x
    x = 79,033,253,753.22/316,818.56
  6. Step 6: Final answer
    x = 249,459.04

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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.