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Finding the Fourth Proportional to 249,190.80, 373,786.20 and 243,358.80

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Solution

The fourth proportional to 249,190.80, 373,786.20 and 243,358.80 is: 365,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,190.80 : 373,786.20 = 243,358.80 : x
  2. Step 2: Convert to fraction form
    249,190.80/373,786.20 = 243,358.80/x
  3. Step 3: Cross multiply
    249,190.80x = 373,786.20 × 243,358.80
  4. Step 4: Simplify right side
    249,190.80x = 90,964,161,088.56
  5. Step 5: Solve for x
    x = 90,964,161,088.56/249,190.80
  6. Step 6: Final answer
    x = 365,038.20

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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.