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Finding the Fourth Proportional to 600,842.84, 900,641.31 and 375,686.42

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Solution

The fourth proportional to 600,842.84, 900,641.31 and 375,686.42 is: 563,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,842.84 : 900,641.31 = 375,686.42 : x
  2. Step 2: Convert to fraction form
    600,842.84/900,641.31 = 375,686.42/x
  3. Step 3: Cross multiply
    600,842.84x = 900,641.31 × 375,686.42
  4. Step 4: Simplify right side
    600,842.84x = 338,358,704,954.80
  5. Step 5: Solve for x
    x = 338,358,704,954.80/600,842.84
  6. Step 6: Final answer
    x = 563,140.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.