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Finding the Fourth Proportional to 452,028, 678,042.08 and 352,262.88

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Solution

The fourth proportional to 452,028, 678,042.08 and 352,262.88 is: 528,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,028 : 678,042.08 = 352,262.88 : x
  2. Step 2: Convert to fraction form
    452,028/678,042.08 = 352,262.88/x
  3. Step 3: Cross multiply
    452,028x = 678,042.08 × 352,262.88
  4. Step 4: Simplify right side
    452,028x = 238,849,055,861.99
  5. Step 5: Solve for x
    x = 238,849,055,861.99/452,028
  6. Step 6: Final answer
    x = 528,394.38

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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.