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Finding the Fourth Proportional to 607,556.63, 837,800.21 and 521,799.57

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Solution

The fourth proportional to 607,556.63, 837,800.21 and 521,799.57 is: 719,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,556.63 : 837,800.21 = 521,799.57 : x
  2. Step 2: Convert to fraction form
    607,556.63/837,800.21 = 521,799.57/x
  3. Step 3: Cross multiply
    607,556.63x = 837,800.21 × 521,799.57
  4. Step 4: Simplify right side
    607,556.63x = 437,163,786,714.91
  5. Step 5: Solve for x
    x = 437,163,786,714.91/607,556.63
  6. Step 6: Final answer
    x = 719,544.10

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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.