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Finding the Fourth Proportional to 313,349.49, 432,004.71 and 249,033.48

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Solution

The fourth proportional to 313,349.49, 432,004.71 and 249,033.48 is: 343,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,349.49 : 432,004.71 = 249,033.48 : x
  2. Step 2: Convert to fraction form
    313,349.49/432,004.71 = 249,033.48/x
  3. Step 3: Cross multiply
    313,349.49x = 432,004.71 × 249,033.48
  4. Step 4: Simplify right side
    313,349.49x = 107,583,636,307.69
  5. Step 5: Solve for x
    x = 107,583,636,307.69/313,349.49
  6. Step 6: Final answer
    x = 343,334.33

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1.5x scale

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.