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Finding the Fourth Proportional to 249,358.80, 374,038.20 and 245,422.20

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Solution

The fourth proportional to 249,358.80, 374,038.20 and 245,422.20 is: 368,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,358.80 : 374,038.20 = 245,422.20 : x
  2. Step 2: Convert to fraction form
    249,358.80/374,038.20 = 245,422.20/x
  3. Step 3: Cross multiply
    249,358.80x = 374,038.20 × 245,422.20
  4. Step 4: Simplify right side
    249,358.80x = 91,797,277,928.04
  5. Step 5: Solve for x
    x = 91,797,277,928.04/249,358.80
  6. Step 6: Final answer
    x = 368,133.30

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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.