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Finding the Fourth Proportional to 585,750.48, 877,622.70 and 319,697.67

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Solution

The fourth proportional to 585,750.48, 877,622.70 and 319,697.67 is: 478,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,750.48 : 877,622.70 = 319,697.67 : x
  2. Step 2: Convert to fraction form
    585,750.48/877,622.70 = 319,697.67/x
  3. Step 3: Cross multiply
    585,750.48x = 877,622.70 × 319,697.67
  4. Step 4: Simplify right side
    585,750.48x = 280,573,932,329.11
  5. Step 5: Solve for x
    x = 280,573,932,329.11/585,750.48
  6. Step 6: Final answer
    x = 478,999.07

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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.