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Finding the Fourth Proportional to 556,180.32, 767,471.40 and 341,329.44

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Solution

The fourth proportional to 556,180.32, 767,471.40 and 341,329.44 is: 470,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,180.32 : 767,471.40 = 341,329.44 : x
  2. Step 2: Convert to fraction form
    556,180.32/767,471.40 = 341,329.44/x
  3. Step 3: Cross multiply
    556,180.32x = 767,471.40 × 341,329.44
  4. Step 4: Simplify right side
    556,180.32x = 261,960,583,178.02
  5. Step 5: Solve for x
    x = 261,960,583,178.02/556,180.32
  6. Step 6: Final answer
    x = 470,999.38

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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.