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Finding the Fourth Proportional to 571,956.70, 788,972.32 and 356,723.10

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Solution

The fourth proportional to 571,956.70, 788,972.32 and 356,723.10 is: 492,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,956.70 : 788,972.32 = 356,723.10 : x
  2. Step 2: Convert to fraction form
    571,956.70/788,972.32 = 356,723.10/x
  3. Step 3: Cross multiply
    571,956.70x = 788,972.32 × 356,723.10
  4. Step 4: Simplify right side
    571,956.70x = 281,444,651,804.59
  5. Step 5: Solve for x
    x = 281,444,651,804.59/571,956.70
  6. Step 6: Final answer
    x = 492,073.35

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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.