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Finding the Fourth Proportional to 344,369.76, 514,707.60 and 310,558.56

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Solution

The fourth proportional to 344,369.76, 514,707.60 and 310,558.56 is: 464,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,369.76 : 514,707.60 = 310,558.56 : x
  2. Step 2: Convert to fraction form
    344,369.76/514,707.60 = 310,558.56/x
  3. Step 3: Cross multiply
    344,369.76x = 514,707.60 × 310,558.56
  4. Step 4: Simplify right side
    344,369.76x = 159,846,851,077.06
  5. Step 5: Solve for x
    x = 159,846,851,077.06/344,369.76
  6. Step 6: Final answer
    x = 464,172.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.