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Finding the Fourth Proportional to 436,446.68, 602,206.11 and 255,123.56

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Solution

The fourth proportional to 436,446.68, 602,206.11 and 255,123.56 is: 352,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,446.68 : 602,206.11 = 255,123.56 : x
  2. Step 2: Convert to fraction form
    436,446.68/602,206.11 = 255,123.56/x
  3. Step 3: Cross multiply
    436,446.68x = 602,206.11 × 255,123.56
  4. Step 4: Simplify right side
    436,446.68x = 153,636,966,636.95
  5. Step 5: Solve for x
    x = 153,636,966,636.95/436,446.68
  6. Step 6: Final answer
    x = 352,017.72

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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.