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Finding the Fourth Proportional to 554,966.64, 832,506.12 and 155,608.56

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Solution

The fourth proportional to 554,966.64, 832,506.12 and 155,608.56 is: 233,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,966.64 : 832,506.12 = 155,608.56 : x
  2. Step 2: Convert to fraction form
    554,966.64/832,506.12 = 155,608.56/x
  3. Step 3: Cross multiply
    554,966.64x = 832,506.12 × 155,608.56
  4. Step 4: Simplify right side
    554,966.64x = 129,545,078,524.39
  5. Step 5: Solve for x
    x = 129,545,078,524.39/554,966.64
  6. Step 6: Final answer
    x = 233,428.59

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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.