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Finding the Fourth Proportional to 351,253.86, 526,880.76 and 85,014.36

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Solution

The fourth proportional to 351,253.86, 526,880.76 and 85,014.36 is: 127,521.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,253.86 : 526,880.76 = 85,014.36 : x
  2. Step 2: Convert to fraction form
    351,253.86/526,880.76 = 85,014.36/x
  3. Step 3: Cross multiply
    351,253.86x = 526,880.76 × 85,014.36
  4. Step 4: Simplify right side
    351,253.86x = 44,792,430,607.71
  5. Step 5: Solve for x
    x = 44,792,430,607.71/351,253.86
  6. Step 6: Final answer
    x = 127,521.53

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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.