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Finding the Fourth Proportional to 634,526.72, 952,161.56 and 255,388.40

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Solution

The fourth proportional to 634,526.72, 952,161.56 and 255,388.40 is: 383,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,526.72 : 952,161.56 = 255,388.40 : x
  2. Step 2: Convert to fraction form
    634,526.72/952,161.56 = 255,388.40/x
  3. Step 3: Cross multiply
    634,526.72x = 952,161.56 × 255,388.40
  4. Step 4: Simplify right side
    634,526.72x = 243,171,017,349.90
  5. Step 5: Solve for x
    x = 243,171,017,349.90/634,526.72
  6. Step 6: Final answer
    x = 383,232.12

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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.