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Finding the Fourth Proportional to 360,256.40, 540,384.60 and 110,938.40

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Solution

The fourth proportional to 360,256.40, 540,384.60 and 110,938.40 is: 166,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,256.40 : 540,384.60 = 110,938.40 : x
  2. Step 2: Convert to fraction form
    360,256.40/540,384.60 = 110,938.40/x
  3. Step 3: Cross multiply
    360,256.40x = 540,384.60 × 110,938.40
  4. Step 4: Simplify right side
    360,256.40x = 59,949,402,908.64
  5. Step 5: Solve for x
    x = 59,949,402,908.64/360,256.40
  6. Step 6: Final answer
    x = 166,407.60

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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.