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Finding the Fourth Proportional to 761,292, 1,141,894.80 and 228,802.32

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Solution

The fourth proportional to 761,292, 1,141,894.80 and 228,802.32 is: 343,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,292 : 1,141,894.80 = 228,802.32 : x
  2. Step 2: Convert to fraction form
    761,292/1,141,894.80 = 228,802.32/x
  3. Step 3: Cross multiply
    761,292x = 1,141,894.80 × 228,802.32
  4. Step 4: Simplify right side
    761,292x = 261,268,179,435.94
  5. Step 5: Solve for x
    x = 261,268,179,435.94/761,292
  6. Step 6: Final answer
    x = 343,190.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.