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Finding the Fourth Proportional to 507,263.79, 700,034.59 and 277,830.74

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Solution

The fourth proportional to 507,263.79, 700,034.59 and 277,830.74 is: 383,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,263.79 : 700,034.59 = 277,830.74 : x
  2. Step 2: Convert to fraction form
    507,263.79/700,034.59 = 277,830.74/x
  3. Step 3: Cross multiply
    507,263.79x = 700,034.59 × 277,830.74
  4. Step 4: Simplify right side
    507,263.79x = 194,491,126,776.14
  5. Step 5: Solve for x
    x = 194,491,126,776.14/507,263.79
  6. Step 6: Final answer
    x = 383,412.20

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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.