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Finding the Fourth Proportional to 478,552.32, 660,402.24 and 277,464.96

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Solution

The fourth proportional to 478,552.32, 660,402.24 and 277,464.96 is: 382,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,552.32 : 660,402.24 = 277,464.96 : x
  2. Step 2: Convert to fraction form
    478,552.32/660,402.24 = 277,464.96/x
  3. Step 3: Cross multiply
    478,552.32x = 660,402.24 × 277,464.96
  4. Step 4: Simplify right side
    478,552.32x = 183,238,481,105.51
  5. Step 5: Solve for x
    x = 183,238,481,105.51/478,552.32
  6. Step 6: Final answer
    x = 382,901.67

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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.