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Finding the Fourth Proportional to 366,547.34, 505,835.28 and 223,307.28

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Solution

The fourth proportional to 366,547.34, 505,835.28 and 223,307.28 is: 308,164.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,547.34 : 505,835.28 = 223,307.28 : x
  2. Step 2: Convert to fraction form
    366,547.34/505,835.28 = 223,307.28/x
  3. Step 3: Cross multiply
    366,547.34x = 505,835.28 × 223,307.28
  4. Step 4: Simplify right side
    366,547.34x = 112,956,700,504.84
  5. Step 5: Solve for x
    x = 112,956,700,504.84/366,547.34
  6. Step 6: Final answer
    x = 308,164.02

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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.