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Finding the Fourth Proportional to 451,602.64, 623,206.48 and 260,611.92

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Solution

The fourth proportional to 451,602.64, 623,206.48 and 260,611.92 is: 359,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,602.64 : 623,206.48 = 260,611.92 : x
  2. Step 2: Convert to fraction form
    451,602.64/623,206.48 = 260,611.92/x
  3. Step 3: Cross multiply
    451,602.64x = 623,206.48 × 260,611.92
  4. Step 4: Simplify right side
    451,602.64x = 162,415,037,309.24
  5. Step 5: Solve for x
    x = 162,415,037,309.24/451,602.64
  6. Step 6: Final answer
    x = 359,641.47

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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.