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Finding the Fourth Proportional to 562,539.51, 776,298.61 and 304,410.81

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Solution

The fourth proportional to 562,539.51, 776,298.61 and 304,410.81 is: 420,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,539.51 : 776,298.61 = 304,410.81 : x
  2. Step 2: Convert to fraction form
    562,539.51/776,298.61 = 304,410.81/x
  3. Step 3: Cross multiply
    562,539.51x = 776,298.61 × 304,410.81
  4. Step 4: Simplify right side
    562,539.51x = 236,313,683,268.43
  5. Step 5: Solve for x
    x = 236,313,683,268.43/562,539.51
  6. Step 6: Final answer
    x = 420,083.71

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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.