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Finding the Fourth Proportional to 302,279.40, 453,710.70 and 152,688.60

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Solution

The fourth proportional to 302,279.40, 453,710.70 and 152,688.60 is: 229,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,279.40 : 453,710.70 = 152,688.60 : x
  2. Step 2: Convert to fraction form
    302,279.40/453,710.70 = 152,688.60/x
  3. Step 3: Cross multiply
    302,279.40x = 453,710.70 × 152,688.60
  4. Step 4: Simplify right side
    302,279.40x = 69,276,451,588.02
  5. Step 5: Solve for x
    x = 69,276,451,588.02/302,279.40
  6. Step 6: Final answer
    x = 229,180.19

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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.