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Finding the Fourth Proportional to 436,428.52, 602,261.90 and 252,674.84

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Solution

The fourth proportional to 436,428.52, 602,261.90 and 252,674.84 is: 348,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,428.52 : 602,261.90 = 252,674.84 : x
  2. Step 2: Convert to fraction form
    436,428.52/602,261.90 = 252,674.84/x
  3. Step 3: Cross multiply
    436,428.52x = 602,261.90 × 252,674.84
  4. Step 4: Simplify right side
    436,428.52x = 152,176,429,220.60
  5. Step 5: Solve for x
    x = 152,176,429,220.60/436,428.52
  6. Step 6: Final answer
    x = 348,685.80

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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.