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Finding the Fourth Proportional to 302,287.40, 453,722.70 and 152,696.60

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Solution

The fourth proportional to 302,287.40, 453,722.70 and 152,696.60 is: 229,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,287.40 : 453,722.70 = 152,696.60 : x
  2. Step 2: Convert to fraction form
    302,287.40/453,722.70 = 152,696.60/x
  3. Step 3: Cross multiply
    302,287.40x = 453,722.70 × 152,696.60
  4. Step 4: Simplify right side
    302,287.40x = 69,281,913,632.82
  5. Step 5: Solve for x
    x = 69,281,913,632.82/302,287.40
  6. Step 6: Final answer
    x = 229,192.20

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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.