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Finding the Fourth Proportional to 358,533.80, 537,800.70 and 148,322.60

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Solution

The fourth proportional to 358,533.80, 537,800.70 and 148,322.60 is: 222,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,533.80 : 537,800.70 = 148,322.60 : x
  2. Step 2: Convert to fraction form
    358,533.80/537,800.70 = 148,322.60/x
  3. Step 3: Cross multiply
    358,533.80x = 537,800.70 × 148,322.60
  4. Step 4: Simplify right side
    358,533.80x = 79,767,998,105.82
  5. Step 5: Solve for x
    x = 79,767,998,105.82/358,533.80
  6. Step 6: Final answer
    x = 222,483.90

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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.