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Finding the Fourth Proportional to 612,252.16, 918,199.68 and 238,186.24

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Solution

The fourth proportional to 612,252.16, 918,199.68 and 238,186.24 is: 357,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,252.16 : 918,199.68 = 238,186.24 : x
  2. Step 2: Convert to fraction form
    612,252.16/918,199.68 = 238,186.24/x
  3. Step 3: Cross multiply
    612,252.16x = 918,199.68 × 238,186.24
  4. Step 4: Simplify right side
    612,252.16x = 218,702,529,348.40
  5. Step 5: Solve for x
    x = 218,702,529,348.40/612,252.16
  6. Step 6: Final answer
    x = 357,209.89

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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.