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Finding the Fourth Proportional to 249,653.80, 374,480.70 and 236,823.40

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Solution

The fourth proportional to 249,653.80, 374,480.70 and 236,823.40 is: 355,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,653.80 : 374,480.70 = 236,823.40 : x
  2. Step 2: Convert to fraction form
    249,653.80/374,480.70 = 236,823.40/x
  3. Step 3: Cross multiply
    249,653.80x = 374,480.70 × 236,823.40
  4. Step 4: Simplify right side
    249,653.80x = 88,685,792,608.38
  5. Step 5: Solve for x
    x = 88,685,792,608.38/249,653.80
  6. Step 6: Final answer
    x = 355,235.10

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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.