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Finding the Fourth Proportional to 224,294.64, 336,384.56 and 66,486.20

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Solution

The fourth proportional to 224,294.64, 336,384.56 and 66,486.20 is: 99,712.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,294.64 : 336,384.56 = 66,486.20 : x
  2. Step 2: Convert to fraction form
    224,294.64/336,384.56 = 66,486.20/x
  3. Step 3: Cross multiply
    224,294.64x = 336,384.56 × 66,486.20
  4. Step 4: Simplify right side
    224,294.64x = 22,364,931,133.07
  5. Step 5: Solve for x
    x = 22,364,931,133.07/224,294.64
  6. Step 6: Final answer
    x = 99,712.29

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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.