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Finding the Fourth Proportional to 521,525.39, 719,645.51 and 292,050.77

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Solution

The fourth proportional to 521,525.39, 719,645.51 and 292,050.77 is: 402,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,525.39 : 719,645.51 = 292,050.77 : x
  2. Step 2: Convert to fraction form
    521,525.39/719,645.51 = 292,050.77/x
  3. Step 3: Cross multiply
    521,525.39x = 719,645.51 × 292,050.77
  4. Step 4: Simplify right side
    521,525.39x = 210,173,022,454.44
  5. Step 5: Solve for x
    x = 210,173,022,454.44/521,525.39
  6. Step 6: Final answer
    x = 402,996.73

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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.