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Finding the Fourth Proportional to 436,638.62, 602,527.94 and 245,615.10

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Solution

The fourth proportional to 436,638.62, 602,527.94 and 245,615.10 is: 338,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,638.62 : 602,527.94 = 245,615.10 : x
  2. Step 2: Convert to fraction form
    436,638.62/602,527.94 = 245,615.10/x
  3. Step 3: Cross multiply
    436,638.62x = 602,527.94 × 245,615.10
  4. Step 4: Simplify right side
    436,638.62x = 147,989,960,235.89
  5. Step 5: Solve for x
    x = 147,989,960,235.89/436,638.62
  6. Step 6: Final answer
    x = 338,930.08

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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.