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Finding the Fourth Proportional to 357,852.80, 493,630.62 and 223,483.52

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Solution

The fourth proportional to 357,852.80, 493,630.62 and 223,483.52 is: 308,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,852.80 : 493,630.62 = 223,483.52 : x
  2. Step 2: Convert to fraction form
    357,852.80/493,630.62 = 223,483.52/x
  3. Step 3: Cross multiply
    357,852.80x = 493,630.62 × 223,483.52
  4. Step 4: Simplify right side
    357,852.80x = 110,318,308,537.38
  5. Step 5: Solve for x
    x = 110,318,308,537.38/357,852.80
  6. Step 6: Final answer
    x = 308,278.46

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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.