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Finding the Fourth Proportional to 673,124.43, 928,914.76 and 367,199.87

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Solution

The fourth proportional to 673,124.43, 928,914.76 and 367,199.87 is: 506,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,124.43 : 928,914.76 = 367,199.87 : x
  2. Step 2: Convert to fraction form
    673,124.43/928,914.76 = 367,199.87/x
  3. Step 3: Cross multiply
    673,124.43x = 928,914.76 × 367,199.87
  4. Step 4: Simplify right side
    673,124.43x = 341,097,374,927.51
  5. Step 5: Solve for x
    x = 341,097,374,927.51/673,124.43
  6. Step 6: Final answer
    x = 506,737.47

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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.