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Finding the Fourth Proportional to 700,539.12, 965,979.54 and 473,790.96

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Solution

The fourth proportional to 700,539.12, 965,979.54 and 473,790.96 is: 653,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,539.12 : 965,979.54 = 473,790.96 : x
  2. Step 2: Convert to fraction form
    700,539.12/965,979.54 = 473,790.96/x
  3. Step 3: Cross multiply
    700,539.12x = 965,979.54 × 473,790.96
  4. Step 4: Simplify right side
    700,539.12x = 457,672,373,596.96
  5. Step 5: Solve for x
    x = 457,672,373,596.96/700,539.12
  6. Step 6: Final answer
    x = 653,314.51

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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.