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Finding the Fourth Proportional to 556,530.96, 767,160.54 and 341,271.84

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Solution

The fourth proportional to 556,530.96, 767,160.54 and 341,271.84 is: 470,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,530.96 : 767,160.54 = 341,271.84 : x
  2. Step 2: Convert to fraction form
    556,530.96/767,160.54 = 341,271.84/x
  3. Step 3: Cross multiply
    556,530.96x = 767,160.54 × 341,271.84
  4. Step 4: Simplify right side
    556,530.96x = 261,810,289,061.19
  5. Step 5: Solve for x
    x = 261,810,289,061.19/556,530.96
  6. Step 6: Final answer
    x = 470,432.57

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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.