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Finding the Fourth Proportional to 468,199.98, 646,113.88 and 253,343.82

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Solution

The fourth proportional to 468,199.98, 646,113.88 and 253,343.82 is: 349,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,199.98 : 646,113.88 = 253,343.82 : x
  2. Step 2: Convert to fraction form
    468,199.98/646,113.88 = 253,343.82/x
  3. Step 3: Cross multiply
    468,199.98x = 646,113.88 × 253,343.82
  4. Step 4: Simplify right side
    468,199.98x = 163,688,958,514.22
  5. Step 5: Solve for x
    x = 163,688,958,514.22/468,199.98
  6. Step 6: Final answer
    x = 349,613.34

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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.