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Finding the Fourth Proportional to 504,807.51, 696,638.81 and 275,365.81

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Solution

The fourth proportional to 504,807.51, 696,638.81 and 275,365.81 is: 380,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,807.51 : 696,638.81 = 275,365.81 : x
  2. Step 2: Convert to fraction form
    504,807.51/696,638.81 = 275,365.81/x
  3. Step 3: Cross multiply
    504,807.51x = 696,638.81 × 275,365.81
  4. Step 4: Simplify right side
    504,807.51x = 191,830,508,816.26
  5. Step 5: Solve for x
    x = 191,830,508,816.26/504,807.51
  6. Step 6: Final answer
    x = 380,007.24

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1.5x scale

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.