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Finding the Fourth Proportional to 524,031.44, 786,047.16 and 130,047.44

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Solution

The fourth proportional to 524,031.44, 786,047.16 and 130,047.44 is: 195,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,031.44 : 786,047.16 = 130,047.44 : x
  2. Step 2: Convert to fraction form
    524,031.44/786,047.16 = 130,047.44/x
  3. Step 3: Cross multiply
    524,031.44x = 786,047.16 × 130,047.44
  4. Step 4: Simplify right side
    524,031.44x = 102,223,420,877.27
  5. Step 5: Solve for x
    x = 102,223,420,877.27/524,031.44
  6. Step 6: Final answer
    x = 195,071.16

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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.