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Finding the Fourth Proportional to 584,730.16, 877,363.08 and 318,091.12

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Solution

The fourth proportional to 584,730.16, 877,363.08 and 318,091.12 is: 477,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,730.16 : 877,363.08 = 318,091.12 : x
  2. Step 2: Convert to fraction form
    584,730.16/877,363.08 = 318,091.12/x
  3. Step 3: Cross multiply
    584,730.16x = 877,363.08 × 318,091.12
  4. Step 4: Simplify right side
    584,730.16x = 279,081,404,763.85
  5. Step 5: Solve for x
    x = 279,081,404,763.85/584,730.16
  6. Step 6: Final answer
    x = 477,282.38

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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.