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Finding the Fourth Proportional to 472,179, 651,607.02 and 260,211

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Solution

The fourth proportional to 472,179, 651,607.02 and 260,211 is: 359,091.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,179 : 651,607.02 = 260,211 : x
  2. Step 2: Convert to fraction form
    472,179/651,607.02 = 260,211/x
  3. Step 3: Cross multiply
    472,179x = 651,607.02 × 260,211
  4. Step 4: Simplify right side
    472,179x = 169,555,314,281.22
  5. Step 5: Solve for x
    x = 169,555,314,281.22/472,179
  6. Step 6: Final answer
    x = 359,091.18

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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.