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Finding the Fourth Proportional to 562,257.90, 775,924.65 and 307,613.34

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Solution

The fourth proportional to 562,257.90, 775,924.65 and 307,613.34 is: 424,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,257.90 : 775,924.65 = 307,613.34 : x
  2. Step 2: Convert to fraction form
    562,257.90/775,924.65 = 307,613.34/x
  3. Step 3: Cross multiply
    562,257.90x = 775,924.65 × 307,613.34
  4. Step 4: Simplify right side
    562,257.90x = 238,684,773,174.83
  5. Step 5: Solve for x
    x = 238,684,773,174.83/562,257.90
  6. Step 6: Final answer
    x = 424,511.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.