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Finding the Fourth Proportional to 541,496, 812,528.16 and 221,885.12

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Solution

The fourth proportional to 541,496, 812,528.16 and 221,885.12 is: 332,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,496 : 812,528.16 = 221,885.12 : x
  2. Step 2: Convert to fraction form
    541,496/812,528.16 = 221,885.12/x
  3. Step 3: Cross multiply
    541,496x = 812,528.16 × 221,885.12
  4. Step 4: Simplify right side
    541,496x = 180,287,908,284.98
  5. Step 5: Solve for x
    x = 180,287,908,284.98/541,496
  6. Step 6: Final answer
    x = 332,944.12

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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.