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Finding the Fourth Proportional to 487,715.28, 673,277.16 and 366,902.58

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Solution

The fourth proportional to 487,715.28, 673,277.16 and 366,902.58 is: 506,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,715.28 : 673,277.16 = 366,902.58 : x
  2. Step 2: Convert to fraction form
    487,715.28/673,277.16 = 366,902.58/x
  3. Step 3: Cross multiply
    487,715.28x = 673,277.16 × 366,902.58
  4. Step 4: Simplify right side
    487,715.28x = 247,027,127,059.07
  5. Step 5: Solve for x
    x = 247,027,127,059.07/487,715.28
  6. Step 6: Final answer
    x = 506,498.64

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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.