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Finding the Fourth Proportional to 584,151.52, 806,129.10 and 315,879.52

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Solution

The fourth proportional to 584,151.52, 806,129.10 and 315,879.52 is: 435,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,151.52 : 806,129.10 = 315,879.52 : x
  2. Step 2: Convert to fraction form
    584,151.52/806,129.10 = 315,879.52/x
  3. Step 3: Cross multiply
    584,151.52x = 806,129.10 × 315,879.52
  4. Step 4: Simplify right side
    584,151.52x = 254,639,673,166.03
  5. Step 5: Solve for x
    x = 254,639,673,166.03/584,151.52
  6. Step 6: Final answer
    x = 435,913.74

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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.