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Finding the Fourth Proportional to 520,473.76, 718,244.42 and 294,114.40

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Solution

The fourth proportional to 520,473.76, 718,244.42 and 294,114.40 is: 405,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,473.76 : 718,244.42 = 294,114.40 : x
  2. Step 2: Convert to fraction form
    520,473.76/718,244.42 = 294,114.40/x
  3. Step 3: Cross multiply
    520,473.76x = 718,244.42 × 294,114.40
  4. Step 4: Simplify right side
    520,473.76x = 211,246,026,641.65
  5. Step 5: Solve for x
    x = 211,246,026,641.65/520,473.76
  6. Step 6: Final answer
    x = 405,872.58

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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.