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Finding the Fourth Proportional to 586,342.80, 879,514.20 and 334,400.40

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Solution

The fourth proportional to 586,342.80, 879,514.20 and 334,400.40 is: 501,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,342.80 : 879,514.20 = 334,400.40 : x
  2. Step 2: Convert to fraction form
    586,342.80/879,514.20 = 334,400.40/x
  3. Step 3: Cross multiply
    586,342.80x = 879,514.20 × 334,400.40
  4. Step 4: Simplify right side
    586,342.80x = 294,109,900,285.68
  5. Step 5: Solve for x
    x = 294,109,900,285.68/586,342.80
  6. Step 6: Final answer
    x = 501,600.60

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Similar ratio
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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.