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Finding the Fourth Proportional to 351,684.84, 527,525.51 and 127,045.11

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Solution

The fourth proportional to 351,684.84, 527,525.51 and 127,045.11 is: 190,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,684.84 : 527,525.51 = 127,045.11 : x
  2. Step 2: Convert to fraction form
    351,684.84/527,525.51 = 127,045.11/x
  3. Step 3: Cross multiply
    351,684.84x = 527,525.51 × 127,045.11
  4. Step 4: Simplify right side
    351,684.84x = 67,019,535,810.53
  5. Step 5: Solve for x
    x = 67,019,535,810.53/351,684.84
  6. Step 6: Final answer
    x = 190,567.03

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1.5x scale

Why These Related Problems?

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