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Finding the Fourth Proportional to 453,885.48, 626,349.78 and 252,681.48

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Solution

The fourth proportional to 453,885.48, 626,349.78 and 252,681.48 is: 348,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,885.48 : 626,349.78 = 252,681.48 : x
  2. Step 2: Convert to fraction form
    453,885.48/626,349.78 = 252,681.48/x
  3. Step 3: Cross multiply
    453,885.48x = 626,349.78 × 252,681.48
  4. Step 4: Simplify right side
    453,885.48x = 158,266,989,408.07
  5. Step 5: Solve for x
    x = 158,266,989,408.07/453,885.48
  6. Step 6: Final answer
    x = 348,693.66

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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.