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Finding the Fourth Proportional to 354,017.88, 530,911.98 and 117,297

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Solution

The fourth proportional to 354,017.88, 530,911.98 and 117,297 is: 175,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,017.88 : 530,911.98 = 117,297 : x
  2. Step 2: Convert to fraction form
    354,017.88/530,911.98 = 117,297/x
  3. Step 3: Cross multiply
    354,017.88x = 530,911.98 × 117,297
  4. Step 4: Simplify right side
    354,017.88x = 62,274,382,518.06
  5. Step 5: Solve for x
    x = 62,274,382,518.06/354,017.88
  6. Step 6: Final answer
    x = 175,907.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.