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Finding the Fourth Proportional to 562,415.00, 776,129.55 and 304,291.28

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Solution

The fourth proportional to 562,415.00, 776,129.55 and 304,291.28 is: 419,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,415.00 : 776,129.55 = 304,291.28 : x
  2. Step 2: Convert to fraction form
    562,415.00/776,129.55 = 304,291.28/x
  3. Step 3: Cross multiply
    562,415.00x = 776,129.55 × 304,291.28
  4. Step 4: Simplify right side
    562,415.00x = 236,169,455,014.56
  5. Step 5: Solve for x
    x = 236,169,455,014.56/562,415.00
  6. Step 6: Final answer
    x = 419,920.27

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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.