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Finding the Fourth Proportional to 641,119.32, 884,792.64 and 365,483.74

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Solution

The fourth proportional to 641,119.32, 884,792.64 and 365,483.74 is: 504,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,119.32 : 884,792.64 = 365,483.74 : x
  2. Step 2: Convert to fraction form
    641,119.32/884,792.64 = 365,483.74/x
  3. Step 3: Cross multiply
    641,119.32x = 884,792.64 × 365,483.74
  4. Step 4: Simplify right side
    641,119.32x = 323,377,323,191.67
  5. Step 5: Solve for x
    x = 323,377,323,191.67/641,119.32
  6. Step 6: Final answer
    x = 504,394.91

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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.