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Finding the Fourth Proportional to 543,715.85, 750,600.59 and 339,880.16

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Solution

The fourth proportional to 543,715.85, 750,600.59 and 339,880.16 is: 469,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,715.85 : 750,600.59 = 339,880.16 : x
  2. Step 2: Convert to fraction form
    543,715.85/750,600.59 = 339,880.16/x
  3. Step 3: Cross multiply
    543,715.85x = 750,600.59 × 339,880.16
  4. Step 4: Simplify right side
    543,715.85x = 255,114,243,172.89
  5. Step 5: Solve for x
    x = 255,114,243,172.89/543,715.85
  6. Step 6: Final answer
    x = 469,205.09

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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.