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Finding the Fourth Proportional to 566,675.80, 850,013.70 and 317,325.40

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Solution

The fourth proportional to 566,675.80, 850,013.70 and 317,325.40 is: 475,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,675.80 : 850,013.70 = 317,325.40 : x
  2. Step 2: Convert to fraction form
    566,675.80/850,013.70 = 317,325.40/x
  3. Step 3: Cross multiply
    566,675.80x = 850,013.70 × 317,325.40
  4. Step 4: Simplify right side
    566,675.80x = 269,730,937,357.98
  5. Step 5: Solve for x
    x = 269,730,937,357.98/566,675.80
  6. Step 6: Final answer
    x = 475,988.10

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Double scale
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Similar ratio
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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.