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Finding the Fourth Proportional to 502,051.51, 692,245.74 and 374,505.67

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Solution

The fourth proportional to 502,051.51, 692,245.74 and 374,505.67 is: 516,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,051.51 : 692,245.74 = 374,505.67 : x
  2. Step 2: Convert to fraction form
    502,051.51/692,245.74 = 374,505.67/x
  3. Step 3: Cross multiply
    502,051.51x = 692,245.74 × 374,505.67
  4. Step 4: Simplify right side
    502,051.51x = 259,249,954,663.35
  5. Step 5: Solve for x
    x = 259,249,954,663.35/502,051.51
  6. Step 6: Final answer
    x = 516,381.19

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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.