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Finding the Fourth Proportional to 602,003.20, 903,004.80 and 546,890.80

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Solution

The fourth proportional to 602,003.20, 903,004.80 and 546,890.80 is: 820,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,003.20 : 903,004.80 = 546,890.80 : x
  2. Step 2: Convert to fraction form
    602,003.20/903,004.80 = 546,890.80/x
  3. Step 3: Cross multiply
    602,003.20x = 903,004.80 × 546,890.80
  4. Step 4: Simplify right side
    602,003.20x = 493,845,017,475.84
  5. Step 5: Solve for x
    x = 493,845,017,475.84/602,003.20
  6. Step 6: Final answer
    x = 820,336.20

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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.