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Finding the Fourth Proportional to 472,924.80, 708,220.80 and 314,294.40

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Solution

The fourth proportional to 472,924.80, 708,220.80 and 314,294.40 is: 470,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,924.80 : 708,220.80 = 314,294.40 : x
  2. Step 2: Convert to fraction form
    472,924.80/708,220.80 = 314,294.40/x
  3. Step 3: Cross multiply
    472,924.80x = 708,220.80 × 314,294.40
  4. Step 4: Simplify right side
    472,924.80x = 222,589,831,403.52
  5. Step 5: Solve for x
    x = 222,589,831,403.52/472,924.80
  6. Step 6: Final answer
    x = 470,666.44

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.