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Finding the Fourth Proportional to 302,506.80, 453,760.20 and 282,823.80

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Solution

The fourth proportional to 302,506.80, 453,760.20 and 282,823.80 is: 424,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,506.80 : 453,760.20 = 282,823.80 : x
  2. Step 2: Convert to fraction form
    302,506.80/453,760.20 = 282,823.80/x
  3. Step 3: Cross multiply
    302,506.80x = 453,760.20 × 282,823.80
  4. Step 4: Simplify right side
    302,506.80x = 128,334,184,052.76
  5. Step 5: Solve for x
    x = 128,334,184,052.76/302,506.80
  6. Step 6: Final answer
    x = 424,235.70

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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.