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Finding the Fourth Proportional to 706,910.91, 975,507.84 and 384,622.26

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Solution

The fourth proportional to 706,910.91, 975,507.84 and 384,622.26 is: 530,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,910.91 : 975,507.84 = 384,622.26 : x
  2. Step 2: Convert to fraction form
    706,910.91/975,507.84 = 384,622.26/x
  3. Step 3: Cross multiply
    706,910.91x = 975,507.84 × 384,622.26
  4. Step 4: Simplify right side
    706,910.91x = 375,202,030,068.52
  5. Step 5: Solve for x
    x = 375,202,030,068.52/706,910.91
  6. Step 6: Final answer
    x = 530,762.82

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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.