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Finding the Fourth Proportional to 450,959.32, 622,436.16 and 260,087.68

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Solution

The fourth proportional to 450,959.32, 622,436.16 and 260,087.68 is: 358,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,959.32 : 622,436.16 = 260,087.68 : x
  2. Step 2: Convert to fraction form
    450,959.32/622,436.16 = 260,087.68/x
  3. Step 3: Cross multiply
    450,959.32x = 622,436.16 × 260,087.68
  4. Step 4: Simplify right side
    450,959.32x = 161,887,976,802.51
  5. Step 5: Solve for x
    x = 161,887,976,802.51/450,959.32
  6. Step 6: Final answer
    x = 358,985.77

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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.