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Finding the Fourth Proportional to 673,463.63, 929,342.56 and 383,035.96

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Solution

The fourth proportional to 673,463.63, 929,342.56 and 383,035.96 is: 528,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,463.63 : 929,342.56 = 383,035.96 : x
  2. Step 2: Convert to fraction form
    673,463.63/929,342.56 = 383,035.96/x
  3. Step 3: Cross multiply
    673,463.63x = 929,342.56 × 383,035.96
  4. Step 4: Simplify right side
    673,463.63x = 355,971,619,638.46
  5. Step 5: Solve for x
    x = 355,971,619,638.46/673,463.63
  6. Step 6: Final answer
    x = 528,568.44

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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.