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Finding the Fourth Proportional to 562,454.28, 776,549.16 and 501,920.82

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Solution

The fourth proportional to 562,454.28, 776,549.16 and 501,920.82 is: 692,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,454.28 : 776,549.16 = 501,920.82 : x
  2. Step 2: Convert to fraction form
    562,454.28/776,549.16 = 501,920.82/x
  3. Step 3: Cross multiply
    562,454.28x = 776,549.16 × 501,920.82
  4. Step 4: Simplify right side
    562,454.28x = 389,766,191,157.51
  5. Step 5: Solve for x
    x = 389,766,191,157.51/562,454.28
  6. Step 6: Final answer
    x = 692,974.00

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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.