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Finding the Fourth Proportional to 506,899.68, 760,493.16 and 253,874.58

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Solution

The fourth proportional to 506,899.68, 760,493.16 and 253,874.58 is: 380,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,899.68 : 760,493.16 = 253,874.58 : x
  2. Step 2: Convert to fraction form
    506,899.68/760,493.16 = 253,874.58/x
  3. Step 3: Cross multiply
    506,899.68x = 760,493.16 × 253,874.58
  4. Step 4: Simplify right side
    506,899.68x = 193,069,881,587.87
  5. Step 5: Solve for x
    x = 193,069,881,587.87/506,899.68
  6. Step 6: Final answer
    x = 380,883.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.