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Finding the Fourth Proportional to 584,874.42, 807,126.78 and 316,602.42

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Solution

The fourth proportional to 584,874.42, 807,126.78 and 316,602.42 is: 436,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,874.42 : 807,126.78 = 316,602.42 : x
  2. Step 2: Convert to fraction form
    584,874.42/807,126.78 = 316,602.42/x
  3. Step 3: Cross multiply
    584,874.42x = 807,126.78 × 316,602.42
  4. Step 4: Simplify right side
    584,874.42x = 255,538,292,714.54
  5. Step 5: Solve for x
    x = 255,538,292,714.54/584,874.42
  6. Step 6: Final answer
    x = 436,911.38

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Similar ratio
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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.