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Finding the Fourth Proportional to 520,654.16, 718,243.80 and 350,593.04

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Solution

The fourth proportional to 520,654.16, 718,243.80 and 350,593.04 is: 483,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,654.16 : 718,243.80 = 350,593.04 : x
  2. Step 2: Convert to fraction form
    520,654.16/718,243.80 = 350,593.04/x
  3. Step 3: Cross multiply
    520,654.16x = 718,243.80 × 350,593.04
  4. Step 4: Simplify right side
    520,654.16x = 251,811,277,303.15
  5. Step 5: Solve for x
    x = 251,811,277,303.15/520,654.16
  6. Step 6: Final answer
    x = 483,644.03

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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.