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Finding the Fourth Proportional to 592,021.20, 888,031.80 and 403,064.40

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Solution

The fourth proportional to 592,021.20, 888,031.80 and 403,064.40 is: 604,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,021.20 : 888,031.80 = 403,064.40 : x
  2. Step 2: Convert to fraction form
    592,021.20/888,031.80 = 403,064.40/x
  3. Step 3: Cross multiply
    592,021.20x = 888,031.80 × 403,064.40
  4. Step 4: Simplify right side
    592,021.20x = 357,934,004,647.92
  5. Step 5: Solve for x
    x = 357,934,004,647.92/592,021.20
  6. Step 6: Final answer
    x = 604,596.60

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Similar ratio
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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.