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Finding the Fourth Proportional to 570,880.40, 855,737.40 and 334,101.20

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Solution

The fourth proportional to 570,880.40, 855,737.40 and 334,101.20 is: 500,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,880.40 : 855,737.40 = 334,101.20 : x
  2. Step 2: Convert to fraction form
    570,880.40/855,737.40 = 334,101.20/x
  3. Step 3: Cross multiply
    570,880.40x = 855,737.40 × 334,101.20
  4. Step 4: Simplify right side
    570,880.40x = 285,902,892,224.88
  5. Step 5: Solve for x
    x = 285,902,892,224.88/570,880.40
  6. Step 6: Final answer
    x = 500,810.49

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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.