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Finding the Fourth Proportional to 368,220.12, 552,267.40 and 101,918.24

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Solution

The fourth proportional to 368,220.12, 552,267.40 and 101,918.24 is: 152,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,220.12 : 552,267.40 = 101,918.24 : x
  2. Step 2: Convert to fraction form
    368,220.12/552,267.40 = 101,918.24/x
  3. Step 3: Cross multiply
    368,220.12x = 552,267.40 × 101,918.24
  4. Step 4: Simplify right side
    368,220.12x = 56,286,121,417.38
  5. Step 5: Solve for x
    x = 56,286,121,417.38/368,220.12
  6. Step 6: Final answer
    x = 152,859.98

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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.