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Finding the Fourth Proportional to 371,683.16, 557,561.52 and 118,900.16

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Solution

The fourth proportional to 371,683.16, 557,561.52 and 118,900.16 is: 178,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,683.16 : 557,561.52 = 118,900.16 : x
  2. Step 2: Convert to fraction form
    371,683.16/557,561.52 = 118,900.16/x
  3. Step 3: Cross multiply
    371,683.16x = 557,561.52 × 118,900.16
  4. Step 4: Simplify right side
    371,683.16x = 66,294,153,937.84
  5. Step 5: Solve for x
    x = 66,294,153,937.84/371,683.16
  6. Step 6: Final answer
    x = 178,362.01

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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.