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Finding the Fourth Proportional to 565,686.99, 850,085.69 and 528,699.15

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Solution

The fourth proportional to 565,686.99, 850,085.69 and 528,699.15 is: 794,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,686.99 : 850,085.69 = 528,699.15 : x
  2. Step 2: Convert to fraction form
    565,686.99/850,085.69 = 528,699.15/x
  3. Step 3: Cross multiply
    565,686.99x = 850,085.69 × 528,699.15
  4. Step 4: Simplify right side
    565,686.99x = 449,439,579,086.67
  5. Step 5: Solve for x
    x = 449,439,579,086.67/565,686.99
  6. Step 6: Final answer
    x = 794,502.24

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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.