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Finding the Fourth Proportional to 520,037.08, 717,667.50 and 293,697.16

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Solution

The fourth proportional to 520,037.08, 717,667.50 and 293,697.16 is: 405,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,037.08 : 717,667.50 = 293,697.16 : x
  2. Step 2: Convert to fraction form
    520,037.08/717,667.50 = 293,697.16/x
  3. Step 3: Cross multiply
    520,037.08x = 717,667.50 × 293,697.16
  4. Step 4: Simplify right side
    520,037.08x = 210,776,906,574.30
  5. Step 5: Solve for x
    x = 210,776,906,574.30/520,037.08
  6. Step 6: Final answer
    x = 405,311.30

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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.