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Finding the Fourth Proportional to 520,088.02, 717,735.68 and 293,733.52

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Solution

The fourth proportional to 520,088.02, 717,735.68 and 293,733.52 is: 405,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,088.02 : 717,735.68 = 293,733.52 : x
  2. Step 2: Convert to fraction form
    520,088.02/717,735.68 = 293,733.52/x
  3. Step 3: Cross multiply
    520,088.02x = 717,735.68 × 293,733.52
  4. Step 4: Simplify right side
    520,088.02x = 210,823,027,715.99
  5. Step 5: Solve for x
    x = 210,823,027,715.99/520,088.02
  6. Step 6: Final answer
    x = 405,360.28

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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.