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Finding the Fourth Proportional to 673,030.96, 928,785.63 and 367,113.92

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Solution

The fourth proportional to 673,030.96, 928,785.63 and 367,113.92 is: 506,618.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,030.96 : 928,785.63 = 367,113.92 : x
  2. Step 2: Convert to fraction form
    673,030.96/928,785.63 = 367,113.92/x
  3. Step 3: Cross multiply
    673,030.96x = 928,785.63 × 367,113.92
  4. Step 4: Simplify right side
    673,030.96x = 340,970,128,825.04
  5. Step 5: Solve for x
    x = 340,970,128,825.04/673,030.96
  6. Step 6: Final answer
    x = 506,618.79

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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.