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Finding the Fourth Proportional to 611,804.16, 844,596.72 and 382,488.84

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Solution

The fourth proportional to 611,804.16, 844,596.72 and 382,488.84 is: 528,026.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,804.16 : 844,596.72 = 382,488.84 : x
  2. Step 2: Convert to fraction form
    611,804.16/844,596.72 = 382,488.84/x
  3. Step 3: Cross multiply
    611,804.16x = 844,596.72 × 382,488.84
  4. Step 4: Simplify right side
    611,804.16x = 323,048,819,700.61
  5. Step 5: Solve for x
    x = 323,048,819,700.61/611,804.16
  6. Step 6: Final answer
    x = 528,026.52

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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.