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Finding the Fourth Proportional to 507,793.05, 700,435.76 and 326,740.23

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Solution

The fourth proportional to 507,793.05, 700,435.76 and 326,740.23 is: 450,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,793.05 : 700,435.76 = 326,740.23 : x
  2. Step 2: Convert to fraction form
    507,793.05/700,435.76 = 326,740.23/x
  3. Step 3: Cross multiply
    507,793.05x = 700,435.76 × 326,740.23
  4. Step 4: Simplify right side
    507,793.05x = 228,860,539,688.92
  5. Step 5: Solve for x
    x = 228,860,539,688.92/507,793.05
  6. Step 6: Final answer
    x = 450,696.48

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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.