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Finding the Fourth Proportional to 545,934.30, 818,901.45 and 469,826.70

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Solution

The fourth proportional to 545,934.30, 818,901.45 and 469,826.70 is: 704,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,934.30 : 818,901.45 = 469,826.70 : x
  2. Step 2: Convert to fraction form
    545,934.30/818,901.45 = 469,826.70/x
  3. Step 3: Cross multiply
    545,934.30x = 818,901.45 × 469,826.70
  4. Step 4: Simplify right side
    545,934.30x = 384,741,765,878.72
  5. Step 5: Solve for x
    x = 384,741,765,878.72/545,934.30
  6. Step 6: Final answer
    x = 704,740.05

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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.