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Finding the Fourth Proportional to 436,499.68, 602,441.60 and 275,442.88

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Solution

The fourth proportional to 436,499.68, 602,441.60 and 275,442.88 is: 380,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,499.68 : 602,441.60 = 275,442.88 : x
  2. Step 2: Convert to fraction form
    436,499.68/602,441.60 = 275,442.88/x
  3. Step 3: Cross multiply
    436,499.68x = 602,441.60 × 275,442.88
  4. Step 4: Simplify right side
    436,499.68x = 165,938,249,335.81
  5. Step 5: Solve for x
    x = 165,938,249,335.81/436,499.68
  6. Step 6: Final answer
    x = 380,156.63

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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.