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Finding the Fourth Proportional to 438,494.94, 605,123.02 and 237,290.94

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Solution

The fourth proportional to 438,494.94, 605,123.02 and 237,290.94 is: 327,461.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,494.94 : 605,123.02 = 237,290.94 : x
  2. Step 2: Convert to fraction form
    438,494.94/605,123.02 = 237,290.94/x
  3. Step 3: Cross multiply
    438,494.94x = 605,123.02 × 237,290.94
  4. Step 4: Simplify right side
    438,494.94x = 143,590,209,044.98
  5. Step 5: Solve for x
    x = 143,590,209,044.98/438,494.94
  6. Step 6: Final answer
    x = 327,461.50

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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.