Home / 349,256.18-524,250.72-309,529.32

Finding the Fourth Proportional to 349,256.18, 524,250.72 and 309,529.32

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Solution

The fourth proportional to 349,256.18, 524,250.72 and 309,529.32 is: 464,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,256.18 : 524,250.72 = 309,529.32 : x
  2. Step 2: Convert to fraction form
    349,256.18/524,250.72 = 309,529.32/x
  3. Step 3: Cross multiply
    349,256.18x = 524,250.72 × 309,529.32
  4. Step 4: Simplify right side
    349,256.18x = 162,270,968,871.11
  5. Step 5: Solve for x
    x = 162,270,968,871.11/349,256.18
  6. Step 6: Final answer
    x = 464,618.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.