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Finding the Fourth Proportional to 672,856.07, 928,529.73 and 366,934.86

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Solution

The fourth proportional to 672,856.07, 928,529.73 and 366,934.86 is: 506,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,856.07 : 928,529.73 = 366,934.86 : x
  2. Step 2: Convert to fraction form
    672,856.07/928,529.73 = 366,934.86/x
  3. Step 3: Cross multiply
    672,856.07x = 928,529.73 × 366,934.86
  4. Step 4: Simplify right side
    672,856.07x = 340,709,926,483.39
  5. Step 5: Solve for x
    x = 340,709,926,483.39/672,856.07
  6. Step 6: Final answer
    x = 506,363.76

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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.