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Finding the Fourth Proportional to 562,281.96, 775,967.58 and 307,627.32

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Solution

The fourth proportional to 562,281.96, 775,967.58 and 307,627.32 is: 424,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,281.96 : 775,967.58 = 307,627.32 : x
  2. Step 2: Convert to fraction form
    562,281.96/775,967.58 = 307,627.32/x
  3. Step 3: Cross multiply
    562,281.96x = 775,967.58 × 307,627.32
  4. Step 4: Simplify right side
    562,281.96x = 238,708,827,042.29
  5. Step 5: Solve for x
    x = 238,708,827,042.29/562,281.96
  6. Step 6: Final answer
    x = 424,535.81

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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.