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Finding the Fourth Proportional to 365,054.06, 546,248.91 and 215,366.06

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Solution

The fourth proportional to 365,054.06, 546,248.91 and 215,366.06 is: 322,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,054.06 : 546,248.91 = 215,366.06 : x
  2. Step 2: Convert to fraction form
    365,054.06/546,248.91 = 215,366.06/x
  3. Step 3: Cross multiply
    365,054.06x = 546,248.91 × 215,366.06
  4. Step 4: Simplify right side
    365,054.06x = 117,643,475,526.00
  5. Step 5: Solve for x
    x = 117,643,475,526.00/365,054.06
  6. Step 6: Final answer
    x = 322,263.16

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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.