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Finding the Fourth Proportional to 562,743.66, 776,374.23 and 369,258.06

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Solution

The fourth proportional to 562,743.66, 776,374.23 and 369,258.06 is: 509,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,743.66 : 776,374.23 = 369,258.06 : x
  2. Step 2: Convert to fraction form
    562,743.66/776,374.23 = 369,258.06/x
  3. Step 3: Cross multiply
    562,743.66x = 776,374.23 × 369,258.06
  4. Step 4: Simplify right side
    562,743.66x = 286,682,442,003.79
  5. Step 5: Solve for x
    x = 286,682,442,003.79/562,743.66
  6. Step 6: Final answer
    x = 509,437.00

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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.