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Finding the Fourth Proportional to 706,710.88, 975,250.74 and 384,423.58

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Solution

The fourth proportional to 706,710.88, 975,250.74 and 384,423.58 is: 530,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,710.88 : 975,250.74 = 384,423.58 : x
  2. Step 2: Convert to fraction form
    706,710.88/975,250.74 = 384,423.58/x
  3. Step 3: Cross multiply
    706,710.88x = 975,250.74 × 384,423.58
  4. Step 4: Simplify right side
    706,710.88x = 374,909,380,868.45
  5. Step 5: Solve for x
    x = 374,909,380,868.45/706,710.88
  6. Step 6: Final answer
    x = 530,498.95

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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.