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Finding the Fourth Proportional to 562,749.16, 776,381.82 and 369,263.56

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Solution

The fourth proportional to 562,749.16, 776,381.82 and 369,263.56 is: 509,444.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,749.16 : 776,381.82 = 369,263.56 : x
  2. Step 2: Convert to fraction form
    562,749.16/776,381.82 = 369,263.56/x
  3. Step 3: Cross multiply
    562,749.16x = 776,381.82 × 369,263.56
  4. Step 4: Simplify right side
    562,749.16x = 286,689,514,772.48
  5. Step 5: Solve for x
    x = 286,689,514,772.48/562,749.16
  6. Step 6: Final answer
    x = 509,444.59

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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.