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Finding the Fourth Proportional to 462,130.80, 692,029.80 and 303,500.40

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Solution

The fourth proportional to 462,130.80, 692,029.80 and 303,500.40 is: 454,484.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,130.80 : 692,029.80 = 303,500.40 : x
  2. Step 2: Convert to fraction form
    462,130.80/692,029.80 = 303,500.40/x
  3. Step 3: Cross multiply
    462,130.80x = 692,029.80 × 303,500.40
  4. Step 4: Simplify right side
    462,130.80x = 210,031,321,111.92
  5. Step 5: Solve for x
    x = 210,031,321,111.92/462,130.80
  6. Step 6: Final answer
    x = 454,484.58

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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.