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Finding the Fourth Proportional to 634,647.24, 952,903.98 and 261,399.24

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Solution

The fourth proportional to 634,647.24, 952,903.98 and 261,399.24 is: 392,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,647.24 : 952,903.98 = 261,399.24 : x
  2. Step 2: Convert to fraction form
    634,647.24/952,903.98 = 261,399.24/x
  3. Step 3: Cross multiply
    634,647.24x = 952,903.98 × 261,399.24
  4. Step 4: Simplify right side
    634,647.24x = 249,088,376,164.98
  5. Step 5: Solve for x
    x = 249,088,376,164.98/634,647.24
  6. Step 6: Final answer
    x = 392,483.19

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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.