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Finding the Fourth Proportional to 566,585.80, 849,878.70 and 317,235.40

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Solution

The fourth proportional to 566,585.80, 849,878.70 and 317,235.40 is: 475,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,585.80 : 849,878.70 = 317,235.40 : x
  2. Step 2: Convert to fraction form
    566,585.80/849,878.70 = 317,235.40/x
  3. Step 3: Cross multiply
    566,585.80x = 849,878.70 × 317,235.40
  4. Step 4: Simplify right side
    566,585.80x = 269,611,609,345.98
  5. Step 5: Solve for x
    x = 269,611,609,345.98/566,585.80
  6. Step 6: Final answer
    x = 475,853.10

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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.