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Finding the Fourth Proportional to 249,617.60, 374,426.40 and 245,931.20

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Solution

The fourth proportional to 249,617.60, 374,426.40 and 245,931.20 is: 368,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,617.60 : 374,426.40 = 245,931.20 : x
  2. Step 2: Convert to fraction form
    249,617.60/374,426.40 = 245,931.20/x
  3. Step 3: Cross multiply
    249,617.60x = 374,426.40 × 245,931.20
  4. Step 4: Simplify right side
    249,617.60x = 92,083,133,863.68
  5. Step 5: Solve for x
    x = 92,083,133,863.68/249,617.60
  6. Step 6: Final answer
    x = 368,896.80

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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.