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Finding the Fourth Proportional to 584,048.78, 806,159.69 and 342,383.66

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Solution

The fourth proportional to 584,048.78, 806,159.69 and 342,383.66 is: 472,590.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,048.78 : 806,159.69 = 342,383.66 : x
  2. Step 2: Convert to fraction form
    584,048.78/806,159.69 = 342,383.66/x
  3. Step 3: Cross multiply
    584,048.78x = 806,159.69 × 342,383.66
  4. Step 4: Simplify right side
    584,048.78x = 276,015,899,463.95
  5. Step 5: Solve for x
    x = 276,015,899,463.95/584,048.78
  6. Step 6: Final answer
    x = 472,590.49

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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.