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Finding the Fourth Proportional to 673,875.59, 929,943.59 and 367,951.78

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Solution

The fourth proportional to 673,875.59, 929,943.59 and 367,951.78 is: 507,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,875.59 : 929,943.59 = 367,951.78 : x
  2. Step 2: Convert to fraction form
    673,875.59/929,943.59 = 367,951.78/x
  3. Step 3: Cross multiply
    673,875.59x = 929,943.59 × 367,951.78
  4. Step 4: Simplify right side
    673,875.59x = 342,174,398,562.76
  5. Step 5: Solve for x
    x = 342,174,398,562.76/673,875.59
  6. Step 6: Final answer
    x = 507,770.88

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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.