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Finding the Fourth Proportional to 315,599.06, 473,402.64 and 105,236.93

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Solution

The fourth proportional to 315,599.06, 473,402.64 and 105,236.93 is: 157,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,599.06 : 473,402.64 = 105,236.93 : x
  2. Step 2: Convert to fraction form
    315,599.06/473,402.64 = 105,236.93/x
  3. Step 3: Cross multiply
    315,599.06x = 473,402.64 × 105,236.93
  4. Step 4: Simplify right side
    315,599.06x = 49,819,440,487.50
  5. Step 5: Solve for x
    x = 49,819,440,487.50/315,599.06
  6. Step 6: Final answer
    x = 157,856.75

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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.