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Finding the Fourth Proportional to 313,371.04, 432,034.36 and 249,055.04

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Solution

The fourth proportional to 313,371.04, 432,034.36 and 249,055.04 is: 343,364.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,371.04 : 432,034.36 = 249,055.04 : x
  2. Step 2: Convert to fraction form
    313,371.04/432,034.36 = 249,055.04/x
  3. Step 3: Cross multiply
    313,371.04x = 432,034.36 × 249,055.04
  4. Step 4: Simplify right side
    313,371.04x = 107,600,334,811.17
  5. Step 5: Solve for x
    x = 107,600,334,811.17/313,371.04
  6. Step 6: Final answer
    x = 343,364.00

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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.