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Finding the Fourth Proportional to 370,999.53, 556,123.64 and 146,518.25

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Solution

The fourth proportional to 370,999.53, 556,123.64 and 146,518.25 is: 219,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,999.53 : 556,123.64 = 146,518.25 : x
  2. Step 2: Convert to fraction form
    370,999.53/556,123.64 = 146,518.25/x
  3. Step 3: Cross multiply
    370,999.53x = 556,123.64 × 146,518.25
  4. Step 4: Simplify right side
    370,999.53x = 81,482,259,003.22
  5. Step 5: Solve for x
    x = 81,482,259,003.22/370,999.53
  6. Step 6: Final answer
    x = 219,629.01

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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.