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Finding the Fourth Proportional to 332,187.60, 498,281.40 and 306,526.80

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Solution

The fourth proportional to 332,187.60, 498,281.40 and 306,526.80 is: 459,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,187.60 : 498,281.40 = 306,526.80 : x
  2. Step 2: Convert to fraction form
    332,187.60/498,281.40 = 306,526.80/x
  3. Step 3: Cross multiply
    332,187.60x = 498,281.40 × 306,526.80
  4. Step 4: Simplify right side
    332,187.60x = 152,736,603,041.52
  5. Step 5: Solve for x
    x = 152,736,603,041.52/332,187.60
  6. Step 6: Final answer
    x = 459,790.20

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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.