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Finding the Fourth Proportional to 503,513.70, 755,270.55 and 483,830.70

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Solution

The fourth proportional to 503,513.70, 755,270.55 and 483,830.70 is: 725,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,513.70 : 755,270.55 = 483,830.70 : x
  2. Step 2: Convert to fraction form
    503,513.70/755,270.55 = 483,830.70/x
  3. Step 3: Cross multiply
    503,513.70x = 755,270.55 × 483,830.70
  4. Step 4: Simplify right side
    503,513.70x = 365,423,078,895.89
  5. Step 5: Solve for x
    x = 365,423,078,895.89/503,513.70
  6. Step 6: Final answer
    x = 725,746.05

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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.