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Finding the Fourth Proportional to 706,259.76, 974,649.08 and 383,969.13

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Solution

The fourth proportional to 706,259.76, 974,649.08 and 383,969.13 is: 529,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,259.76 : 974,649.08 = 383,969.13 : x
  2. Step 2: Convert to fraction form
    706,259.76/974,649.08 = 383,969.13/x
  3. Step 3: Cross multiply
    706,259.76x = 974,649.08 × 383,969.13
  4. Step 4: Simplify right side
    706,259.76x = 374,235,159,302.90
  5. Step 5: Solve for x
    x = 374,235,159,302.90/706,259.76
  6. Step 6: Final answer
    x = 529,883.17

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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.