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Finding the Fourth Proportional to 533,330.10, 799,995.15 and 492,779.70

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Solution

The fourth proportional to 533,330.10, 799,995.15 and 492,779.70 is: 739,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,330.10 : 799,995.15 = 492,779.70 : x
  2. Step 2: Convert to fraction form
    533,330.10/799,995.15 = 492,779.70/x
  3. Step 3: Cross multiply
    533,330.10x = 799,995.15 × 492,779.70
  4. Step 4: Simplify right side
    533,330.10x = 394,221,370,018.46
  5. Step 5: Solve for x
    x = 394,221,370,018.46/533,330.10
  6. Step 6: Final answer
    x = 739,169.55

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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.