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Finding the Fourth Proportional to 302,812.60, 454,109.55 and 153,003.10

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Solution

The fourth proportional to 302,812.60, 454,109.55 and 153,003.10 is: 229,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,812.60 : 454,109.55 = 153,003.10 : x
  2. Step 2: Convert to fraction form
    302,812.60/454,109.55 = 153,003.10/x
  3. Step 3: Cross multiply
    302,812.60x = 454,109.55 × 153,003.10
  4. Step 4: Simplify right side
    302,812.60x = 69,480,168,889.61
  5. Step 5: Solve for x
    x = 69,480,168,889.61/302,812.60
  6. Step 6: Final answer
    x = 229,449.40

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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.