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Finding the Fourth Proportional to 249,728.40, 374,592.60 and 165,747.60

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Solution

The fourth proportional to 249,728.40, 374,592.60 and 165,747.60 is: 248,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,728.40 : 374,592.60 = 165,747.60 : x
  2. Step 2: Convert to fraction form
    249,728.40/374,592.60 = 165,747.60/x
  3. Step 3: Cross multiply
    249,728.40x = 374,592.60 × 165,747.60
  4. Step 4: Simplify right side
    249,728.40x = 62,087,824,427.76
  5. Step 5: Solve for x
    x = 62,087,824,427.76/249,728.40
  6. Step 6: Final answer
    x = 248,621.40

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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.