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Finding the Fourth Proportional to 436,510.65, 602,378.53 and 245,523.59

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Solution

The fourth proportional to 436,510.65, 602,378.53 and 245,523.59 is: 338,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,510.65 : 602,378.53 = 245,523.59 : x
  2. Step 2: Convert to fraction form
    436,510.65/602,378.53 = 245,523.59/x
  3. Step 3: Cross multiply
    436,510.65x = 602,378.53 × 245,523.59
  4. Step 4: Simplify right side
    436,510.65x = 147,898,137,857.74
  5. Step 5: Solve for x
    x = 147,898,137,857.74/436,510.65
  6. Step 6: Final answer
    x = 338,819.08

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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.