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Finding the Fourth Proportional to 478,864.60, 718,196.10 and 241,984.60

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Solution

The fourth proportional to 478,864.60, 718,196.10 and 241,984.60 is: 362,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,864.60 : 718,196.10 = 241,984.60 : x
  2. Step 2: Convert to fraction form
    478,864.60/718,196.10 = 241,984.60/x
  3. Step 3: Cross multiply
    478,864.60x = 718,196.10 × 241,984.60
  4. Step 4: Simplify right side
    478,864.60x = 173,792,395,980.06
  5. Step 5: Solve for x
    x = 173,792,395,980.06/478,864.60
  6. Step 6: Final answer
    x = 362,925.96

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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.