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Finding the Fourth Proportional to 676,482.84, 933,494.94 and 374,670.36

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Solution

The fourth proportional to 676,482.84, 933,494.94 and 374,670.36 is: 517,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,482.84 : 933,494.94 = 374,670.36 : x
  2. Step 2: Convert to fraction form
    676,482.84/933,494.94 = 374,670.36/x
  3. Step 3: Cross multiply
    676,482.84x = 933,494.94 × 374,670.36
  4. Step 4: Simplify right side
    676,482.84x = 349,752,885,227.98
  5. Step 5: Solve for x
    x = 349,752,885,227.98/676,482.84
  6. Step 6: Final answer
    x = 517,016.64

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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.