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Finding the Fourth Proportional to 584,368.43, 876,830.19 and 404,730.30

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Solution

The fourth proportional to 584,368.43, 876,830.19 and 404,730.30 is: 607,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,368.43 : 876,830.19 = 404,730.30 : x
  2. Step 2: Convert to fraction form
    584,368.43/876,830.19 = 404,730.30/x
  3. Step 3: Cross multiply
    584,368.43x = 876,830.19 × 404,730.30
  4. Step 4: Simplify right side
    584,368.43x = 354,879,741,358.18
  5. Step 5: Solve for x
    x = 354,879,741,358.18/584,368.43
  6. Step 6: Final answer
    x = 607,287.67

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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.