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Finding the Fourth Proportional to 302,574.30, 453,861.45 and 155,118.30

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Solution

The fourth proportional to 302,574.30, 453,861.45 and 155,118.30 is: 232,677.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,574.30 : 453,861.45 = 155,118.30 : x
  2. Step 2: Convert to fraction form
    302,574.30/453,861.45 = 155,118.30/x
  3. Step 3: Cross multiply
    302,574.30x = 453,861.45 × 155,118.30
  4. Step 4: Simplify right side
    302,574.30x = 70,402,216,559.54
  5. Step 5: Solve for x
    x = 70,402,216,559.54/302,574.30
  6. Step 6: Final answer
    x = 232,677.45

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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.