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Finding the Fourth Proportional to 302,953.60, 454,430.40 and 92,591.20

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Solution

The fourth proportional to 302,953.60, 454,430.40 and 92,591.20 is: 138,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,953.60 : 454,430.40 = 92,591.20 : x
  2. Step 2: Convert to fraction form
    302,953.60/454,430.40 = 92,591.20/x
  3. Step 3: Cross multiply
    302,953.60x = 454,430.40 × 92,591.20
  4. Step 4: Simplify right side
    302,953.60x = 42,076,256,052.48
  5. Step 5: Solve for x
    x = 42,076,256,052.48/302,953.60
  6. Step 6: Final answer
    x = 138,886.80

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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.