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Finding the Fourth Proportional to 835,232, 1,152,620.11 and 453,258.78

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Solution

The fourth proportional to 835,232, 1,152,620.11 and 453,258.78 is: 625,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,232 : 1,152,620.11 = 453,258.78 : x
  2. Step 2: Convert to fraction form
    835,232/1,152,620.11 = 453,258.78/x
  3. Step 3: Cross multiply
    835,232x = 1,152,620.11 × 453,258.78
  4. Step 4: Simplify right side
    835,232x = 522,435,184,862.07
  5. Step 5: Solve for x
    x = 522,435,184,862.07/835,232
  6. Step 6: Final answer
    x = 625,497.09

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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.