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Finding the Fourth Proportional to 576,365.52, 795,358.80 and 321,710.88

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Solution

The fourth proportional to 576,365.52, 795,358.80 and 321,710.88 is: 443,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,365.52 : 795,358.80 = 321,710.88 : x
  2. Step 2: Convert to fraction form
    576,365.52/795,358.80 = 321,710.88/x
  3. Step 3: Cross multiply
    576,365.52x = 795,358.80 × 321,710.88
  4. Step 4: Simplify right side
    576,365.52x = 255,875,579,463.74
  5. Step 5: Solve for x
    x = 255,875,579,463.74/576,365.52
  6. Step 6: Final answer
    x = 443,946.72

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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.