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Finding the Fourth Proportional to 578,098.50, 797,775.93 and 323,498.90

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Solution

The fourth proportional to 578,098.50, 797,775.93 and 323,498.90 is: 446,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,098.50 : 797,775.93 = 323,498.90 : x
  2. Step 2: Convert to fraction form
    578,098.50/797,775.93 = 323,498.90/x
  3. Step 3: Cross multiply
    578,098.50x = 797,775.93 × 323,498.90
  4. Step 4: Simplify right side
    578,098.50x = 258,079,631,812.60
  5. Step 5: Solve for x
    x = 258,079,631,812.60/578,098.50
  6. Step 6: Final answer
    x = 446,428.48

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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.