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Finding the Fourth Proportional to 562,258.90, 775,926.03 and 307,614.34

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Solution

The fourth proportional to 562,258.90, 775,926.03 and 307,614.34 is: 424,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,258.90 : 775,926.03 = 307,614.34 : x
  2. Step 2: Convert to fraction form
    562,258.90/775,926.03 = 307,614.34/x
  3. Step 3: Cross multiply
    562,258.90x = 775,926.03 × 307,614.34
  4. Step 4: Simplify right side
    562,258.90x = 238,685,973,607.27
  5. Step 5: Solve for x
    x = 238,685,973,607.27/562,258.90
  6. Step 6: Final answer
    x = 424,512.58

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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.