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Finding the Fourth Proportional to 656,294.40, 983,858.40 and 256,802.40

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Solution

The fourth proportional to 656,294.40, 983,858.40 and 256,802.40 is: 384,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,294.40 : 983,858.40 = 256,802.40 : x
  2. Step 2: Convert to fraction form
    656,294.40/983,858.40 = 256,802.40/x
  3. Step 3: Cross multiply
    656,294.40x = 983,858.40 × 256,802.40
  4. Step 4: Simplify right side
    656,294.40x = 252,657,198,380.16
  5. Step 5: Solve for x
    x = 252,657,198,380.16/656,294.40
  6. Step 6: Final answer
    x = 384,975.40

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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.