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Finding the Fourth Proportional to 364,511.90, 545,783.70 and 364,511.90

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Solution

The fourth proportional to 364,511.90, 545,783.70 and 364,511.90 is: 545,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,511.90 : 545,783.70 = 364,511.90 : x
  2. Step 2: Convert to fraction form
    364,511.90/545,783.70 = 364,511.90/x
  3. Step 3: Cross multiply
    364,511.90x = 545,783.70 × 364,511.90
  4. Step 4: Simplify right side
    364,511.90x = 198,944,653,476.03
  5. Step 5: Solve for x
    x = 198,944,653,476.03/364,511.90
  6. Step 6: Final answer
    x = 545,783.70

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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.