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Finding the Fourth Proportional to 634,954.84, 952,454.22 and 319,239.64

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Solution

The fourth proportional to 634,954.84, 952,454.22 and 319,239.64 is: 478,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,954.84 : 952,454.22 = 319,239.64 : x
  2. Step 2: Convert to fraction form
    634,954.84/952,454.22 = 319,239.64/x
  3. Step 3: Cross multiply
    634,954.84x = 952,454.22 × 319,239.64
  4. Step 4: Simplify right side
    634,954.84x = 304,061,142,309.28
  5. Step 5: Solve for x
    x = 304,061,142,309.28/634,954.84
  6. Step 6: Final answer
    x = 478,870.50

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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.