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Finding the Fourth Proportional to 562,259.90, 775,927.41 and 307,615.34

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Solution

The fourth proportional to 562,259.90, 775,927.41 and 307,615.34 is: 424,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,259.90 : 775,927.41 = 307,615.34 : x
  2. Step 2: Convert to fraction form
    562,259.90/775,927.41 = 307,615.34/x
  3. Step 3: Cross multiply
    562,259.90x = 775,927.41 × 307,615.34
  4. Step 4: Simplify right side
    562,259.90x = 238,687,174,042.47
  5. Step 5: Solve for x
    x = 238,687,174,042.47/562,259.90
  6. Step 6: Final answer
    x = 424,513.96

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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.