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Finding the Fourth Proportional to 249,425.60, 374,138.40 and 149,698.40

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Solution

The fourth proportional to 249,425.60, 374,138.40 and 149,698.40 is: 224,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,425.60 : 374,138.40 = 149,698.40 : x
  2. Step 2: Convert to fraction form
    249,425.60/374,138.40 = 149,698.40/x
  3. Step 3: Cross multiply
    249,425.60x = 374,138.40 × 149,698.40
  4. Step 4: Simplify right side
    249,425.60x = 56,007,919,858.56
  5. Step 5: Solve for x
    x = 56,007,919,858.56/249,425.60
  6. Step 6: Final answer
    x = 224,547.60

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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.