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Finding the Fourth Proportional to 584,514.30, 876,771.45 and 334,991.10

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Solution

The fourth proportional to 584,514.30, 876,771.45 and 334,991.10 is: 502,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,514.30 : 876,771.45 = 334,991.10 : x
  2. Step 2: Convert to fraction form
    584,514.30/876,771.45 = 334,991.10/x
  3. Step 3: Cross multiply
    584,514.30x = 876,771.45 × 334,991.10
  4. Step 4: Simplify right side
    584,514.30x = 293,710,632,484.10
  5. Step 5: Solve for x
    x = 293,710,632,484.10/584,514.30
  6. Step 6: Final answer
    x = 502,486.65

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Double scale
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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.