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Finding the Fourth Proportional to 302,543.60, 453,037.80 and 223,228.40

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Solution

The fourth proportional to 302,543.60, 453,037.80 and 223,228.40 is: 334,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,543.60 : 453,037.80 = 223,228.40 : x
  2. Step 2: Convert to fraction form
    302,543.60/453,037.80 = 223,228.40/x
  3. Step 3: Cross multiply
    302,543.60x = 453,037.80 × 223,228.40
  4. Step 4: Simplify right side
    302,543.60x = 101,130,903,233.52
  5. Step 5: Solve for x
    x = 101,130,903,233.52/302,543.60
  6. Step 6: Final answer
    x = 334,268.86

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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.