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Finding the Fourth Proportional to 506,738.70, 760,108.05 and 465,404.40

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Solution

The fourth proportional to 506,738.70, 760,108.05 and 465,404.40 is: 698,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,738.70 : 760,108.05 = 465,404.40 : x
  2. Step 2: Convert to fraction form
    506,738.70/760,108.05 = 465,404.40/x
  3. Step 3: Cross multiply
    506,738.70x = 760,108.05 × 465,404.40
  4. Step 4: Simplify right side
    506,738.70x = 353,757,630,945.42
  5. Step 5: Solve for x
    x = 353,757,630,945.42/506,738.70
  6. Step 6: Final answer
    x = 698,106.60

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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.