Home / 349,774.20-524,632.14-209,430.36

Finding the Fourth Proportional to 349,774.20, 524,632.14 and 209,430.36

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Solution

The fourth proportional to 349,774.20, 524,632.14 and 209,430.36 is: 314,128.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,774.20 : 524,632.14 = 209,430.36 : x
  2. Step 2: Convert to fraction form
    349,774.20/524,632.14 = 209,430.36/x
  3. Step 3: Cross multiply
    349,774.20x = 524,632.14 × 209,430.36
  4. Step 4: Simplify right side
    349,774.20x = 109,873,897,947.77
  5. Step 5: Solve for x
    x = 109,873,897,947.77/349,774.20
  6. Step 6: Final answer
    x = 314,128.08

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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.