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Finding the Fourth Proportional to 623,792.78, 936,214.05 and 584,426.78

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Solution

The fourth proportional to 623,792.78, 936,214.05 and 584,426.78 is: 877,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,792.78 : 936,214.05 = 584,426.78 : x
  2. Step 2: Convert to fraction form
    623,792.78/936,214.05 = 584,426.78/x
  3. Step 3: Cross multiply
    623,792.78x = 936,214.05 × 584,426.78
  4. Step 4: Simplify right side
    623,792.78x = 547,148,560,366.19
  5. Step 5: Solve for x
    x = 547,148,560,366.19/623,792.78
  6. Step 6: Final answer
    x = 877,131.92

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1.5x scale

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.