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Finding the Fourth Proportional to 569,823.48, 786,395.52 and 328,169.70

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Solution

The fourth proportional to 569,823.48, 786,395.52 and 328,169.70 is: 452,896.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,823.48 : 786,395.52 = 328,169.70 : x
  2. Step 2: Convert to fraction form
    569,823.48/786,395.52 = 328,169.70/x
  3. Step 3: Cross multiply
    569,823.48x = 786,395.52 × 328,169.70
  4. Step 4: Simplify right side
    569,823.48x = 258,071,181,879.74
  5. Step 5: Solve for x
    x = 258,071,181,879.74/569,823.48
  6. Step 6: Final answer
    x = 452,896.71

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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.