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Finding the Fourth Proportional to 907,293.60, 1,360,940.40 and 374,540.40

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Solution

The fourth proportional to 907,293.60, 1,360,940.40 and 374,540.40 is: 561,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,293.60 : 1,360,940.40 = 374,540.40 : x
  2. Step 2: Convert to fraction form
    907,293.60/1,360,940.40 = 374,540.40/x
  3. Step 3: Cross multiply
    907,293.60x = 1,360,940.40 × 374,540.40
  4. Step 4: Simplify right side
    907,293.60x = 509,727,161,792.16
  5. Step 5: Solve for x
    x = 509,727,161,792.16/907,293.60
  6. Step 6: Final answer
    x = 561,810.60

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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.