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Finding the Fourth Proportional to 349,386.48, 482,150.88 and 198,483.48

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Solution

The fourth proportional to 349,386.48, 482,150.88 and 198,483.48 is: 273,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,386.48 : 482,150.88 = 198,483.48 : x
  2. Step 2: Convert to fraction form
    349,386.48/482,150.88 = 198,483.48/x
  3. Step 3: Cross multiply
    349,386.48x = 482,150.88 × 198,483.48
  4. Step 4: Simplify right side
    349,386.48x = 95,698,984,547.46
  5. Step 5: Solve for x
    x = 95,698,984,547.46/349,386.48
  6. Step 6: Final answer
    x = 273,905.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.