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Finding the Fourth Proportional to 468,482.48, 646,505.68 and 253,622.40

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Solution

The fourth proportional to 468,482.48, 646,505.68 and 253,622.40 is: 349,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,482.48 : 646,505.68 = 253,622.40 : x
  2. Step 2: Convert to fraction form
    468,482.48/646,505.68 = 253,622.40/x
  3. Step 3: Cross multiply
    468,482.48x = 646,505.68 × 253,622.40
  4. Step 4: Simplify right side
    468,482.48x = 163,968,322,175.23
  5. Step 5: Solve for x
    x = 163,968,322,175.23/468,482.48
  6. Step 6: Final answer
    x = 349,998.83

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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.