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Finding the Fourth Proportional to 532,249.55, 798,385.55 and 190,715.21

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Solution

The fourth proportional to 532,249.55, 798,385.55 and 190,715.21 is: 286,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,249.55 : 798,385.55 = 190,715.21 : x
  2. Step 2: Convert to fraction form
    532,249.55/798,385.55 = 190,715.21/x
  3. Step 3: Cross multiply
    532,249.55x = 798,385.55 × 190,715.21
  4. Step 4: Simplify right side
    532,249.55x = 152,264,262,883.71
  5. Step 5: Solve for x
    x = 152,264,262,883.71/532,249.55
  6. Step 6: Final answer
    x = 286,076.83

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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.