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Finding the Fourth Proportional to 585,048.10, 877,572.15 and 319,327.60

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Solution

The fourth proportional to 585,048.10, 877,572.15 and 319,327.60 is: 478,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,048.10 : 877,572.15 = 319,327.60 : x
  2. Step 2: Convert to fraction form
    585,048.10/877,572.15 = 319,327.60/x
  3. Step 3: Cross multiply
    585,048.10x = 877,572.15 × 319,327.60
  4. Step 4: Simplify right side
    585,048.10x = 280,233,008,486.34
  5. Step 5: Solve for x
    x = 280,233,008,486.34/585,048.10
  6. Step 6: Final answer
    x = 478,991.40

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Similar ratio
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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.