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Finding the Fourth Proportional to 695,232.92, 958,925.72 and 638,056.48

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Solution

The fourth proportional to 695,232.92, 958,925.72 and 638,056.48 is: 880,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,232.92 : 958,925.72 = 638,056.48 : x
  2. Step 2: Convert to fraction form
    695,232.92/958,925.72 = 638,056.48/x
  3. Step 3: Cross multiply
    695,232.92x = 958,925.72 × 638,056.48
  4. Step 4: Simplify right side
    695,232.92x = 611,848,769,484.67
  5. Step 5: Solve for x
    x = 611,848,769,484.67/695,232.92
  6. Step 6: Final answer
    x = 880,063.00

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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.