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Finding the Fourth Proportional to 489,095.90, 733,643.85 and 302,212.70

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Solution

The fourth proportional to 489,095.90, 733,643.85 and 302,212.70 is: 453,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,095.90 : 733,643.85 = 302,212.70 : x
  2. Step 2: Convert to fraction form
    489,095.90/733,643.85 = 302,212.70/x
  3. Step 3: Cross multiply
    489,095.90x = 733,643.85 × 302,212.70
  4. Step 4: Simplify right side
    489,095.90x = 221,716,488,746.90
  5. Step 5: Solve for x
    x = 221,716,488,746.90/489,095.90
  6. Step 6: Final answer
    x = 453,319.05

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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.