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Finding the Fourth Proportional to 706,344.93, 974,729.13 and 384,055.29

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Solution

The fourth proportional to 706,344.93, 974,729.13 and 384,055.29 is: 529,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,344.93 : 974,729.13 = 384,055.29 : x
  2. Step 2: Convert to fraction form
    706,344.93/974,729.13 = 384,055.29/x
  3. Step 3: Cross multiply
    706,344.93x = 974,729.13 × 384,055.29
  4. Step 4: Simplify right side
    706,344.93x = 374,349,878,693.60
  5. Step 5: Solve for x
    x = 374,349,878,693.60/706,344.93
  6. Step 6: Final answer
    x = 529,981.69

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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.