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Finding the Fourth Proportional to 544,082.90, 816,124.35 and 483,430.10

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Solution

The fourth proportional to 544,082.90, 816,124.35 and 483,430.10 is: 725,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,082.90 : 816,124.35 = 483,430.10 : x
  2. Step 2: Convert to fraction form
    544,082.90/816,124.35 = 483,430.10/x
  3. Step 3: Cross multiply
    544,082.90x = 816,124.35 × 483,430.10
  4. Step 4: Simplify right side
    544,082.90x = 394,539,076,132.94
  5. Step 5: Solve for x
    x = 394,539,076,132.94/544,082.90
  6. Step 6: Final answer
    x = 725,145.15

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Double scale
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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.