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Finding the Fourth Proportional to 562,280.92, 775,958.86 and 307,637.58

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Solution

The fourth proportional to 562,280.92, 775,958.86 and 307,637.58 is: 424,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,280.92 : 775,958.86 = 307,637.58 : x
  2. Step 2: Convert to fraction form
    562,280.92/775,958.86 = 307,637.58/x
  3. Step 3: Cross multiply
    562,280.92x = 775,958.86 × 307,637.58
  4. Step 4: Simplify right side
    562,280.92x = 238,714,105,869.96
  5. Step 5: Solve for x
    x = 238,714,105,869.96/562,280.92
  6. Step 6: Final answer
    x = 424,545.98

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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.