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Finding the Fourth Proportional to 834,794.33, 1,152,036.74 and 472,201.07

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Solution

The fourth proportional to 834,794.33, 1,152,036.74 and 472,201.07 is: 651,649.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,794.33 : 1,152,036.74 = 472,201.07 : x
  2. Step 2: Convert to fraction form
    834,794.33/1,152,036.74 = 472,201.07/x
  3. Step 3: Cross multiply
    834,794.33x = 1,152,036.74 × 472,201.07
  4. Step 4: Simplify right side
    834,794.33x = 543,992,976,727.63
  5. Step 5: Solve for x
    x = 543,992,976,727.63/834,794.33
  6. Step 6: Final answer
    x = 651,649.11

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Double scale
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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.