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Finding the Fourth Proportional to 480,305.99, 662,885.63 and 464,533.47

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Solution

The fourth proportional to 480,305.99, 662,885.63 and 464,533.47 is: 641,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,305.99 : 662,885.63 = 464,533.47 : x
  2. Step 2: Convert to fraction form
    480,305.99/662,885.63 = 464,533.47/x
  3. Step 3: Cross multiply
    480,305.99x = 662,885.63 × 464,533.47
  4. Step 4: Simplify right side
    480,305.99x = 307,932,556,279.94
  5. Step 5: Solve for x
    x = 307,932,556,279.94/480,305.99
  6. Step 6: Final answer
    x = 641,117.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.