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Finding the Fourth Proportional to 648,315.54, 893,604.60 and 433,377.18

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Solution

The fourth proportional to 648,315.54, 893,604.60 and 433,377.18 is: 597,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,315.54 : 893,604.60 = 433,377.18 : x
  2. Step 2: Convert to fraction form
    648,315.54/893,604.60 = 433,377.18/x
  3. Step 3: Cross multiply
    648,315.54x = 893,604.60 × 433,377.18
  4. Step 4: Simplify right side
    648,315.54x = 387,267,841,583.03
  5. Step 5: Solve for x
    x = 387,267,841,583.03/648,315.54
  6. Step 6: Final answer
    x = 597,344.68

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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.