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Finding the Fourth Proportional to 395,054.52, 592,598.64 and 155,220.32

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Solution

The fourth proportional to 395,054.52, 592,598.64 and 155,220.32 is: 232,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,054.52 : 592,598.64 = 155,220.32 : x
  2. Step 2: Convert to fraction form
    395,054.52/592,598.64 = 155,220.32/x
  3. Step 3: Cross multiply
    395,054.52x = 592,598.64 × 155,220.32
  4. Step 4: Simplify right side
    395,054.52x = 91,983,350,532.36
  5. Step 5: Solve for x
    x = 91,983,350,532.36/395,054.52
  6. Step 6: Final answer
    x = 232,837.10

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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.