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Finding the Fourth Proportional to 676,473.84, 933,482.52 and 374,661.36

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Solution

The fourth proportional to 676,473.84, 933,482.52 and 374,661.36 is: 517,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,473.84 : 933,482.52 = 374,661.36 : x
  2. Step 2: Convert to fraction form
    676,473.84/933,482.52 = 374,661.36/x
  3. Step 3: Cross multiply
    676,473.84x = 933,482.52 × 374,661.36
  4. Step 4: Simplify right side
    676,473.84x = 349,739,830,479.43
  5. Step 5: Solve for x
    x = 349,739,830,479.43/676,473.84
  6. Step 6: Final answer
    x = 517,004.22

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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.