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Finding the Fourth Proportional to 562,541.01, 776,300.67 and 304,412.31

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Solution

The fourth proportional to 562,541.01, 776,300.67 and 304,412.31 is: 420,085.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,541.01 : 776,300.67 = 304,412.31 : x
  2. Step 2: Convert to fraction form
    562,541.01/776,300.67 = 304,412.31/x
  3. Step 3: Cross multiply
    562,541.01x = 776,300.67 × 304,412.31
  4. Step 4: Simplify right side
    562,541.01x = 236,315,480,209.25
  5. Step 5: Solve for x
    x = 236,315,480,209.25/562,541.01
  6. Step 6: Final answer
    x = 420,085.78

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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.