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Finding the Fourth Proportional to 468,337.55, 646,310.54 and 253,482.21

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Solution

The fourth proportional to 468,337.55, 646,310.54 and 253,482.21 is: 349,808.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,337.55 : 646,310.54 = 253,482.21 : x
  2. Step 2: Convert to fraction form
    468,337.55/646,310.54 = 253,482.21/x
  3. Step 3: Cross multiply
    468,337.55x = 646,310.54 × 253,482.21
  4. Step 4: Simplify right side
    468,337.55x = 163,828,224,659.20
  5. Step 5: Solve for x
    x = 163,828,224,659.20/468,337.55
  6. Step 6: Final answer
    x = 349,808.01

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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.