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Finding the Fourth Proportional to 672,904.08, 928,596 and 366,982.92

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Solution

The fourth proportional to 672,904.08, 928,596 and 366,982.92 is: 506,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,904.08 : 928,596 = 366,982.92 : x
  2. Step 2: Convert to fraction form
    672,904.08/928,596 = 366,982.92/x
  3. Step 3: Cross multiply
    672,904.08x = 928,596 × 366,982.92
  4. Step 4: Simplify right side
    672,904.08x = 340,778,871,580.32
  5. Step 5: Solve for x
    x = 340,778,871,580.32/672,904.08
  6. Step 6: Final answer
    x = 506,430.09

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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.