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Finding the Fourth Proportional to 701,846.90, 1,051,215.15 and 577,430.90

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Solution

The fourth proportional to 701,846.90, 1,051,215.15 and 577,430.90 is: 864,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,846.90 : 1,051,215.15 = 577,430.90 : x
  2. Step 2: Convert to fraction form
    701,846.90/1,051,215.15 = 577,430.90/x
  3. Step 3: Cross multiply
    701,846.90x = 1,051,215.15 × 577,430.90
  4. Step 4: Simplify right side
    701,846.90x = 607,004,110,158.14
  5. Step 5: Solve for x
    x = 607,004,110,158.14/701,846.90
  6. Step 6: Final answer
    x = 864,866.84

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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.