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Finding the Fourth Proportional to 624,381.12, 936,574.08 and 151,065.72

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Solution

The fourth proportional to 624,381.12, 936,574.08 and 151,065.72 is: 226,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,381.12 : 936,574.08 = 151,065.72 : x
  2. Step 2: Convert to fraction form
    624,381.12/936,574.08 = 151,065.72/x
  3. Step 3: Cross multiply
    624,381.12x = 936,574.08 × 151,065.72
  4. Step 4: Simplify right side
    624,381.12x = 141,484,237,728.54
  5. Step 5: Solve for x
    x = 141,484,237,728.54/624,381.12
  6. Step 6: Final answer
    x = 226,599.16

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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.