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Finding the Fourth Proportional to 452,064.80, 678,097.16 and 352,299.63

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Solution

The fourth proportional to 452,064.80, 678,097.16 and 352,299.63 is: 528,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,064.80 : 678,097.16 = 352,299.63 : x
  2. Step 2: Convert to fraction form
    452,064.80/678,097.16 = 352,299.63/x
  3. Step 3: Cross multiply
    452,064.80x = 678,097.16 × 352,299.63
  4. Step 4: Simplify right side
    452,064.80x = 238,893,376,810.55
  5. Step 5: Solve for x
    x = 238,893,376,810.55/452,064.80
  6. Step 6: Final answer
    x = 528,449.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.