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Finding the Fourth Proportional to 562,512.18, 776,262.24 and 307,862.76

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Solution

The fourth proportional to 562,512.18, 776,262.24 and 307,862.76 is: 424,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,512.18 : 776,262.24 = 307,862.76 : x
  2. Step 2: Convert to fraction form
    562,512.18/776,262.24 = 307,862.76/x
  3. Step 3: Cross multiply
    562,512.18x = 776,262.24 × 307,862.76
  4. Step 4: Simplify right side
    562,512.18x = 238,982,235,690.18
  5. Step 5: Solve for x
    x = 238,982,235,690.18/562,512.18
  6. Step 6: Final answer
    x = 424,848.11

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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.