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Finding the Fourth Proportional to 302,564.40, 453,846.60 and 125,417.40

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Solution

The fourth proportional to 302,564.40, 453,846.60 and 125,417.40 is: 188,126.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,564.40 : 453,846.60 = 125,417.40 : x
  2. Step 2: Convert to fraction form
    302,564.40/453,846.60 = 125,417.40/x
  3. Step 3: Cross multiply
    302,564.40x = 453,846.60 × 125,417.40
  4. Step 4: Simplify right side
    302,564.40x = 56,920,260,570.84
  5. Step 5: Solve for x
    x = 56,920,260,570.84/302,564.40
  6. Step 6: Final answer
    x = 188,126.10

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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.