Home / 349,326.24-524,432.16-290,876.64

Finding the Fourth Proportional to 349,326.24, 524,432.16 and 290,876.64

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Solution

The fourth proportional to 349,326.24, 524,432.16 and 290,876.64 is: 436,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,326.24 : 524,432.16 = 290,876.64 : x
  2. Step 2: Convert to fraction form
    349,326.24/524,432.16 = 290,876.64/x
  3. Step 3: Cross multiply
    349,326.24x = 524,432.16 × 290,876.64
  4. Step 4: Simplify right side
    349,326.24x = 152,545,064,608.74
  5. Step 5: Solve for x
    x = 152,545,064,608.74/349,326.24
  6. Step 6: Final answer
    x = 436,683.67

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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.