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Finding the Fourth Proportional to 648,841.49, 888,898.00 and 624,582.84

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Solution

The fourth proportional to 648,841.49, 888,898.00 and 624,582.84 is: 855,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,841.49 : 888,898.00 = 624,582.84 : x
  2. Step 2: Convert to fraction form
    648,841.49/888,898.00 = 624,582.84/x
  3. Step 3: Cross multiply
    648,841.49x = 888,898.00 × 624,582.84
  4. Step 4: Simplify right side
    648,841.49x = 555,190,435,748.86
  5. Step 5: Solve for x
    x = 555,190,435,748.86/648,841.49
  6. Step 6: Final answer
    x = 855,664.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.