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Finding the Fourth Proportional to 302,582.40, 453,873.60 and 136,694.40

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Solution

The fourth proportional to 302,582.40, 453,873.60 and 136,694.40 is: 205,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,582.40 : 453,873.60 = 136,694.40 : x
  2. Step 2: Convert to fraction form
    302,582.40/453,873.60 = 136,694.40/x
  3. Step 3: Cross multiply
    302,582.40x = 453,873.60 × 136,694.40
  4. Step 4: Simplify right side
    302,582.40x = 62,041,979,427.84
  5. Step 5: Solve for x
    x = 62,041,979,427.84/302,582.40
  6. Step 6: Final answer
    x = 205,041.60

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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.