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Finding the Fourth Proportional to 249,642.80, 374,464.20 and 236,812.40

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Solution

The fourth proportional to 249,642.80, 374,464.20 and 236,812.40 is: 355,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,642.80 : 374,464.20 = 236,812.40 : x
  2. Step 2: Convert to fraction form
    249,642.80/374,464.20 = 236,812.40/x
  3. Step 3: Cross multiply
    249,642.80x = 374,464.20 × 236,812.40
  4. Step 4: Simplify right side
    249,642.80x = 88,677,765,916.08
  5. Step 5: Solve for x
    x = 88,677,765,916.08/249,642.80
  6. Step 6: Final answer
    x = 355,218.60

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1.5x scale

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.