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Finding the Fourth Proportional to 302,005.60, 453,008.40 and 162,037.60

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Solution

The fourth proportional to 302,005.60, 453,008.40 and 162,037.60 is: 243,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,005.60 : 453,008.40 = 162,037.60 : x
  2. Step 2: Convert to fraction form
    302,005.60/453,008.40 = 162,037.60/x
  3. Step 3: Cross multiply
    302,005.60x = 453,008.40 × 162,037.60
  4. Step 4: Simplify right side
    302,005.60x = 73,404,393,915.84
  5. Step 5: Solve for x
    x = 73,404,393,915.84/302,005.60
  6. Step 6: Final answer
    x = 243,056.40

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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.