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Finding the Fourth Proportional to 562,215.50, 775,875.72 and 307,566.69

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Solution

The fourth proportional to 562,215.50, 775,875.72 and 307,566.69 is: 424,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,215.50 : 775,875.72 = 307,566.69 : x
  2. Step 2: Convert to fraction form
    562,215.50/775,875.72 = 307,566.69/x
  3. Step 3: Cross multiply
    562,215.50x = 775,875.72 × 307,566.69
  4. Step 4: Simplify right side
    562,215.50x = 238,633,528,205.14
  5. Step 5: Solve for x
    x = 238,633,528,205.14/562,215.50
  6. Step 6: Final answer
    x = 424,452.06

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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.