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Finding the Fourth Proportional to 444,182, 612,971.16 and 242,982.32

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Solution

The fourth proportional to 444,182, 612,971.16 and 242,982.32 is: 335,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,182 : 612,971.16 = 242,982.32 : x
  2. Step 2: Convert to fraction form
    444,182/612,971.16 = 242,982.32/x
  3. Step 3: Cross multiply
    444,182x = 612,971.16 × 242,982.32
  4. Step 4: Simplify right side
    444,182x = 148,941,154,549.89
  5. Step 5: Solve for x
    x = 148,941,154,549.89/444,182
  6. Step 6: Final answer
    x = 335,315.60

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1.5x scale

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.