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Finding the Fourth Proportional to 1,888,799.76, 2,832,795.68 and 540,600.40

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Solution

The fourth proportional to 1,888,799.76, 2,832,795.68 and 540,600.40 is: 810,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,799.76 : 2,832,795.68 = 540,600.40 : x
  2. Step 2: Convert to fraction form
    1,888,799.76/2,832,795.68 = 540,600.40/x
  3. Step 3: Cross multiply
    1,888,799.76x = 2,832,795.68 × 540,600.40
  4. Step 4: Simplify right side
    1,888,799.76x = 1,531,410,477,726.27
  5. Step 5: Solve for x
    x = 1,531,410,477,726.27/1,888,799.76
  6. Step 6: Final answer
    x = 810,784.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.