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Finding the Fourth Proportional to 614,975.40, 922,851.90 and 362,255.40

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Solution

The fourth proportional to 614,975.40, 922,851.90 and 362,255.40 is: 543,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,975.40 : 922,851.90 = 362,255.40 : x
  2. Step 2: Convert to fraction form
    614,975.40/922,851.90 = 362,255.40/x
  3. Step 3: Cross multiply
    614,975.40x = 922,851.90 × 362,255.40
  4. Step 4: Simplify right side
    614,975.40x = 334,308,084,175.26
  5. Step 5: Solve for x
    x = 334,308,084,175.26/614,975.40
  6. Step 6: Final answer
    x = 543,612.13

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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.