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Finding the Fourth Proportional to 706,205.04, 973,648.20 and 457,404.30

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Solution

The fourth proportional to 706,205.04, 973,648.20 and 457,404.30 is: 630,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,205.04 : 973,648.20 = 457,404.30 : x
  2. Step 2: Convert to fraction form
    706,205.04/973,648.20 = 457,404.30/x
  3. Step 3: Cross multiply
    706,205.04x = 973,648.20 × 457,404.30
  4. Step 4: Simplify right side
    706,205.04x = 445,350,873,367.26
  5. Step 5: Solve for x
    x = 445,350,873,367.26/706,205.04
  6. Step 6: Final answer
    x = 630,625.45

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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.