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Finding the Fourth Proportional to 772,457.70, 1,159,006.64 and 417,054

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Solution

The fourth proportional to 772,457.70, 1,159,006.64 and 417,054 is: 625,753.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,457.70 : 1,159,006.64 = 417,054 : x
  2. Step 2: Convert to fraction form
    772,457.70/1,159,006.64 = 417,054/x
  3. Step 3: Cross multiply
    772,457.70x = 1,159,006.64 × 417,054
  4. Step 4: Simplify right side
    772,457.70x = 483,368,355,238.56
  5. Step 5: Solve for x
    x = 483,368,355,238.56/772,457.70
  6. Step 6: Final answer
    x = 625,753.82

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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.