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Finding the Fourth Proportional to 554,595.76, 765,342.60 and 299,946.64

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Solution

The fourth proportional to 554,595.76, 765,342.60 and 299,946.64 is: 413,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,595.76 : 765,342.60 = 299,946.64 : x
  2. Step 2: Convert to fraction form
    554,595.76/765,342.60 = 299,946.64/x
  3. Step 3: Cross multiply
    554,595.76x = 765,342.60 × 299,946.64
  4. Step 4: Simplify right side
    554,595.76x = 229,561,941,318.86
  5. Step 5: Solve for x
    x = 229,561,941,318.86/554,595.76
  6. Step 6: Final answer
    x = 413,926.61

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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.