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Finding the Fourth Proportional to 302,810.10, 454,105.80 and 153,000.60

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Solution

The fourth proportional to 302,810.10, 454,105.80 and 153,000.60 is: 229,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,810.10 : 454,105.80 = 153,000.60 : x
  2. Step 2: Convert to fraction form
    302,810.10/454,105.80 = 153,000.60/x
  3. Step 3: Cross multiply
    302,810.10x = 454,105.80 × 153,000.60
  4. Step 4: Simplify right side
    302,810.10x = 69,478,459,863.48
  5. Step 5: Solve for x
    x = 69,478,459,863.48/302,810.10
  6. Step 6: Final answer
    x = 229,445.65

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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.