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Finding the Fourth Proportional to 443,517.84, 612,056.52 and 242,318.16

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Solution

The fourth proportional to 443,517.84, 612,056.52 and 242,318.16 is: 334,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,517.84 : 612,056.52 = 242,318.16 : x
  2. Step 2: Convert to fraction form
    443,517.84/612,056.52 = 242,318.16/x
  3. Step 3: Cross multiply
    443,517.84x = 612,056.52 × 242,318.16
  4. Step 4: Simplify right side
    443,517.84x = 148,312,409,742.40
  5. Step 5: Solve for x
    x = 148,312,409,742.40/443,517.84
  6. Step 6: Final answer
    x = 334,400.10

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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.