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Finding the Fourth Proportional to 504,887.04, 696,746.40 and 278,532.48

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Solution

The fourth proportional to 504,887.04, 696,746.40 and 278,532.48 is: 384,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,887.04 : 696,746.40 = 278,532.48 : x
  2. Step 2: Convert to fraction form
    504,887.04/696,746.40 = 278,532.48/x
  3. Step 3: Cross multiply
    504,887.04x = 696,746.40 × 278,532.48
  4. Step 4: Simplify right side
    504,887.04x = 194,066,502,723.07
  5. Step 5: Solve for x
    x = 194,066,502,723.07/504,887.04
  6. Step 6: Final answer
    x = 384,376.08

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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.