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Finding the Fourth Proportional to 360,013.60, 540,020.40 and 149,802.40

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Solution

The fourth proportional to 360,013.60, 540,020.40 and 149,802.40 is: 224,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,013.60 : 540,020.40 = 149,802.40 : x
  2. Step 2: Convert to fraction form
    360,013.60/540,020.40 = 149,802.40/x
  3. Step 3: Cross multiply
    360,013.60x = 540,020.40 × 149,802.40
  4. Step 4: Simplify right side
    360,013.60x = 80,896,351,968.96
  5. Step 5: Solve for x
    x = 80,896,351,968.96/360,013.60
  6. Step 6: Final answer
    x = 224,703.60

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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.