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Finding the Fourth Proportional to 937,608.83, 1,293,906.38 and 507,888.95

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Solution

The fourth proportional to 937,608.83, 1,293,906.38 and 507,888.95 is: 700,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,608.83 : 1,293,906.38 = 507,888.95 : x
  2. Step 2: Convert to fraction form
    937,608.83/1,293,906.38 = 507,888.95/x
  3. Step 3: Cross multiply
    937,608.83x = 1,293,906.38 × 507,888.95
  4. Step 4: Simplify right side
    937,608.83x = 657,160,743,727.52
  5. Step 5: Solve for x
    x = 657,160,743,727.52/937,608.83
  6. Step 6: Final answer
    x = 700,890.10

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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.