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Finding the Fourth Proportional to 314,240.36, 471,364.92 and 89,600.81

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Solution

The fourth proportional to 314,240.36, 471,364.92 and 89,600.81 is: 134,402.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,240.36 : 471,364.92 = 89,600.81 : x
  2. Step 2: Convert to fraction form
    314,240.36/471,364.92 = 89,600.81/x
  3. Step 3: Cross multiply
    314,240.36x = 471,364.92 × 89,600.81
  4. Step 4: Simplify right side
    314,240.36x = 42,234,676,280.76
  5. Step 5: Solve for x
    x = 42,234,676,280.76/314,240.36
  6. Step 6: Final answer
    x = 134,402.46

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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.