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Finding the Fourth Proportional to 585,576.94, 808,089.45 and 317,304.94

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Solution

The fourth proportional to 585,576.94, 808,089.45 and 317,304.94 is: 437,877.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,576.94 : 808,089.45 = 317,304.94 : x
  2. Step 2: Convert to fraction form
    585,576.94/808,089.45 = 317,304.94/x
  3. Step 3: Cross multiply
    585,576.94x = 808,089.45 × 317,304.94
  4. Step 4: Simplify right side
    585,576.94x = 256,410,774,446.88
  5. Step 5: Solve for x
    x = 256,410,774,446.88/585,576.94
  6. Step 6: Final answer
    x = 437,877.17

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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.