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Finding the Fourth Proportional to 553,054.96, 829,598.28 and 153,724.96

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Solution

The fourth proportional to 553,054.96, 829,598.28 and 153,724.96 is: 230,591.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,054.96 : 829,598.28 = 153,724.96 : x
  2. Step 2: Convert to fraction form
    553,054.96/829,598.28 = 153,724.96/x
  3. Step 3: Cross multiply
    553,054.96x = 829,598.28 × 153,724.96
  4. Step 4: Simplify right side
    553,054.96x = 127,529,962,409.07
  5. Step 5: Solve for x
    x = 127,529,962,409.07/553,054.96
  6. Step 6: Final answer
    x = 230,591.84

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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.