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Finding the Fourth Proportional to 436,340.66, 602,101.15 and 245,349.95

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Solution

The fourth proportional to 436,340.66, 602,101.15 and 245,349.95 is: 338,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,340.66 : 602,101.15 = 245,349.95 : x
  2. Step 2: Convert to fraction form
    436,340.66/602,101.15 = 245,349.95/x
  3. Step 3: Cross multiply
    436,340.66x = 602,101.15 × 245,349.95
  4. Step 4: Simplify right side
    436,340.66x = 147,725,483,423.56
  5. Step 5: Solve for x
    x = 147,725,483,423.56/436,340.66
  6. Step 6: Final answer
    x = 338,555.40

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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.