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Finding the Fourth Proportional to 595,068.80, 820,919.68 and 353,213.60

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Solution

The fourth proportional to 595,068.80, 820,919.68 and 353,213.60 is: 487,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,068.80 : 820,919.68 = 353,213.60 : x
  2. Step 2: Convert to fraction form
    595,068.80/820,919.68 = 353,213.60/x
  3. Step 3: Cross multiply
    595,068.80x = 820,919.68 × 353,213.60
  4. Step 4: Simplify right side
    595,068.80x = 289,959,995,483.65
  5. Step 5: Solve for x
    x = 289,959,995,483.65/595,068.80
  6. Step 6: Final answer
    x = 487,271.38

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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.