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Finding the Fourth Proportional to 562,625.76, 776,424.24 and 307,992.96

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Solution

The fourth proportional to 562,625.76, 776,424.24 and 307,992.96 is: 425,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,625.76 : 776,424.24 = 307,992.96 : x
  2. Step 2: Convert to fraction form
    562,625.76/776,424.24 = 307,992.96/x
  3. Step 3: Cross multiply
    562,625.76x = 776,424.24 × 307,992.96
  4. Step 4: Simplify right side
    562,625.76x = 239,133,199,893.35
  5. Step 5: Solve for x
    x = 239,133,199,893.35/562,625.76
  6. Step 6: Final answer
    x = 425,030.66

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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.