Home / 349,631.40-524,447.10-310,265.40

Finding the Fourth Proportional to 349,631.40, 524,447.10 and 310,265.40

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Solution

The fourth proportional to 349,631.40, 524,447.10 and 310,265.40 is: 465,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,631.40 : 524,447.10 = 310,265.40 : x
  2. Step 2: Convert to fraction form
    349,631.40/524,447.10 = 310,265.40/x
  3. Step 3: Cross multiply
    349,631.40x = 524,447.10 × 310,265.40
  4. Step 4: Simplify right side
    349,631.40x = 162,717,789,260.34
  5. Step 5: Solve for x
    x = 162,717,789,260.34/349,631.40
  6. Step 6: Final answer
    x = 465,398.10

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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.