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Finding the Fourth Proportional to 634,322.83, 875,377.52 and 347,825.83

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Solution

The fourth proportional to 634,322.83, 875,377.52 and 347,825.83 is: 480,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,322.83 : 875,377.52 = 347,825.83 : x
  2. Step 2: Convert to fraction form
    634,322.83/875,377.52 = 347,825.83/x
  3. Step 3: Cross multiply
    634,322.83x = 875,377.52 × 347,825.83
  4. Step 4: Simplify right side
    634,322.83x = 304,478,912,457.34
  5. Step 5: Solve for x
    x = 304,478,912,457.34/634,322.83
  6. Step 6: Final answer
    x = 480,006.23

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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.