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Finding the Fourth Proportional to 556,229.84, 767,592.89 and 314,521.01

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Solution

The fourth proportional to 556,229.84, 767,592.89 and 314,521.01 is: 434,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,229.84 : 767,592.89 = 314,521.01 : x
  2. Step 2: Convert to fraction form
    556,229.84/767,592.89 = 314,521.01/x
  3. Step 3: Cross multiply
    556,229.84x = 767,592.89 × 314,521.01
  4. Step 4: Simplify right side
    556,229.84x = 241,424,089,678.98
  5. Step 5: Solve for x
    x = 241,424,089,678.98/556,229.84
  6. Step 6: Final answer
    x = 434,036.57

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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.