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Finding the Fourth Proportional to 632,300.24, 872,574.35 and 345,820.32

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Solution

The fourth proportional to 632,300.24, 872,574.35 and 345,820.32 is: 477,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,300.24 : 872,574.35 = 345,820.32 : x
  2. Step 2: Convert to fraction form
    632,300.24/872,574.35 = 345,820.32/x
  3. Step 3: Cross multiply
    632,300.24x = 872,574.35 × 345,820.32
  4. Step 4: Simplify right side
    632,300.24x = 301,753,943,865.48
  5. Step 5: Solve for x
    x = 301,753,943,865.48/632,300.24
  6. Step 6: Final answer
    x = 477,232.06

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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.