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Finding the Fourth Proportional to 560,883.31, 841,502 and 426,590.67

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Solution

The fourth proportional to 560,883.31, 841,502 and 426,590.67 is: 640,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,883.31 : 841,502 = 426,590.67 : x
  2. Step 2: Convert to fraction form
    560,883.31/841,502 = 426,590.67/x
  3. Step 3: Cross multiply
    560,883.31x = 841,502 × 426,590.67
  4. Step 4: Simplify right side
    560,883.31x = 358,976,901,986.34
  5. Step 5: Solve for x
    x = 358,976,901,986.34/560,883.31
  6. Step 6: Final answer
    x = 640,020.65

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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.