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Finding the Fourth Proportional to 537,071.19, 741,143.46 and 295,353.76

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Solution

The fourth proportional to 537,071.19, 741,143.46 and 295,353.76 is: 407,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,071.19 : 741,143.46 = 295,353.76 : x
  2. Step 2: Convert to fraction form
    537,071.19/741,143.46 = 295,353.76/x
  3. Step 3: Cross multiply
    537,071.19x = 741,143.46 × 295,353.76
  4. Step 4: Simplify right side
    537,071.19x = 218,899,507,610.41
  5. Step 5: Solve for x
    x = 218,899,507,610.41/537,071.19
  6. Step 6: Final answer
    x = 407,580.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.