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Finding the Fourth Proportional to 303,140.07, 454,783.14 and 113,602.09

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Solution

The fourth proportional to 303,140.07, 454,783.14 and 113,602.09 is: 170,430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,140.07 : 454,783.14 = 113,602.09 : x
  2. Step 2: Convert to fraction form
    303,140.07/454,783.14 = 113,602.09/x
  3. Step 3: Cross multiply
    303,140.07x = 454,783.14 × 113,602.09
  4. Step 4: Simplify right side
    303,140.07x = 51,664,315,200.76
  5. Step 5: Solve for x
    x = 51,664,315,200.76/303,140.07
  6. Step 6: Final answer
    x = 170,430.50

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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.