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Finding the Fourth Proportional to 668,449.20, 922,460.32 and 362,525.48

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Solution

The fourth proportional to 668,449.20, 922,460.32 and 362,525.48 is: 500,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,449.20 : 922,460.32 = 362,525.48 : x
  2. Step 2: Convert to fraction form
    668,449.20/922,460.32 = 362,525.48/x
  3. Step 3: Cross multiply
    668,449.20x = 922,460.32 × 362,525.48
  4. Step 4: Simplify right side
    668,449.20x = 334,415,370,288.95
  5. Step 5: Solve for x
    x = 334,415,370,288.95/668,449.20
  6. Step 6: Final answer
    x = 500,285.39

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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.