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Finding the Fourth Proportional to 344,403.60, 514,758.80 and 310,592.56

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Solution

The fourth proportional to 344,403.60, 514,758.80 and 310,592.56 is: 464,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,403.60 : 514,758.80 = 310,592.56 : x
  2. Step 2: Convert to fraction form
    344,403.60/514,758.80 = 310,592.56/x
  3. Step 3: Cross multiply
    344,403.60x = 514,758.80 × 310,592.56
  4. Step 4: Simplify right side
    344,403.60x = 159,880,253,474.53
  5. Step 5: Solve for x
    x = 159,880,253,474.53/344,403.60
  6. Step 6: Final answer
    x = 464,223.53

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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.