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Finding the Fourth Proportional to 673,911.23, 930,035.45 and 368,016.08

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Solution

The fourth proportional to 673,911.23, 930,035.45 and 368,016.08 is: 507,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,911.23 : 930,035.45 = 368,016.08 : x
  2. Step 2: Convert to fraction form
    673,911.23/930,035.45 = 368,016.08/x
  3. Step 3: Cross multiply
    673,911.23x = 930,035.45 × 368,016.08
  4. Step 4: Simplify right side
    673,911.23x = 342,267,996,839.90
  5. Step 5: Solve for x
    x = 342,267,996,839.90/673,911.23
  6. Step 6: Final answer
    x = 507,882.91

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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.