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Finding the Fourth Proportional to 310,752.02, 428,850.59 and 174,792.30

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Solution

The fourth proportional to 310,752.02, 428,850.59 and 174,792.30 is: 241,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,752.02 : 428,850.59 = 174,792.30 : x
  2. Step 2: Convert to fraction form
    310,752.02/428,850.59 = 174,792.30/x
  3. Step 3: Cross multiply
    310,752.02x = 428,850.59 × 174,792.30
  4. Step 4: Simplify right side
    310,752.02x = 74,959,780,108.50
  5. Step 5: Solve for x
    x = 74,959,780,108.50/310,752.02
  6. Step 6: Final answer
    x = 241,220.58

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1.5x scale

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.