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Finding the Fourth Proportional to 576,464.05, 864,696.08 and 367,030.45

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Solution

The fourth proportional to 576,464.05, 864,696.08 and 367,030.45 is: 550,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,464.05 : 864,696.08 = 367,030.45 : x
  2. Step 2: Convert to fraction form
    576,464.05/864,696.08 = 367,030.45/x
  3. Step 3: Cross multiply
    576,464.05x = 864,696.08 × 367,030.45
  4. Step 4: Simplify right side
    576,464.05x = 317,369,791,355.64
  5. Step 5: Solve for x
    x = 317,369,791,355.64/576,464.05
  6. Step 6: Final answer
    x = 550,545.68

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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.