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Finding the Fourth Proportional to 734,915.40, 1,101,812.40 and 335,276.70

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Solution

The fourth proportional to 734,915.40, 1,101,812.40 and 335,276.70 is: 502,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,915.40 : 1,101,812.40 = 335,276.70 : x
  2. Step 2: Convert to fraction form
    734,915.40/1,101,812.40 = 335,276.70/x
  3. Step 3: Cross multiply
    734,915.40x = 1,101,812.40 × 335,276.70
  4. Step 4: Simplify right side
    734,915.40x = 369,412,025,491.08
  5. Step 5: Solve for x
    x = 369,412,025,491.08/734,915.40
  6. Step 6: Final answer
    x = 502,659.25

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1.5x scale

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.