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Finding the Fourth Proportional to 315,520.63, 473,280.94 and 93,904.63

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Solution

The fourth proportional to 315,520.63, 473,280.94 and 93,904.63 is: 140,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,520.63 : 473,280.94 = 93,904.63 : x
  2. Step 2: Convert to fraction form
    315,520.63/473,280.94 = 93,904.63/x
  3. Step 3: Cross multiply
    315,520.63x = 473,280.94 × 93,904.63
  4. Step 4: Simplify right side
    315,520.63x = 44,443,271,556.75
  5. Step 5: Solve for x
    x = 44,443,271,556.75/315,520.63
  6. Step 6: Final answer
    x = 140,856.94

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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.