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Finding the Fourth Proportional to 328,557.90, 492,762.50 and 150,894.12

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Solution

The fourth proportional to 328,557.90, 492,762.50 and 150,894.12 is: 226,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,557.90 : 492,762.50 = 150,894.12 : x
  2. Step 2: Convert to fraction form
    328,557.90/492,762.50 = 150,894.12/x
  3. Step 3: Cross multiply
    328,557.90x = 492,762.50 × 150,894.12
  4. Step 4: Simplify right side
    328,557.90x = 74,354,963,806.50
  5. Step 5: Solve for x
    x = 74,354,963,806.50/328,557.90
  6. Step 6: Final answer
    x = 226,307.03

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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.