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Finding the Fourth Proportional to 314,328.98, 433,782.60 and 178,368.60

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Solution

The fourth proportional to 314,328.98, 433,782.60 and 178,368.60 is: 246,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,328.98 : 433,782.60 = 178,368.60 : x
  2. Step 2: Convert to fraction form
    314,328.98/433,782.60 = 178,368.60/x
  3. Step 3: Cross multiply
    314,328.98x = 433,782.60 × 178,368.60
  4. Step 4: Simplify right side
    314,328.98x = 77,373,195,066.36
  5. Step 5: Solve for x
    x = 77,373,195,066.36/314,328.98
  6. Step 6: Final answer
    x = 246,153.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.