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Finding the Fourth Proportional to 531,275.00, 797,148.07 and 278,495.16

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Solution

The fourth proportional to 531,275.00, 797,148.07 and 278,495.16 is: 417,866.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,275.00 : 797,148.07 = 278,495.16 : x
  2. Step 2: Convert to fraction form
    531,275.00/797,148.07 = 278,495.16/x
  3. Step 3: Cross multiply
    531,275.00x = 797,148.07 × 278,495.16
  4. Step 4: Simplify right side
    531,275.00x = 222,001,878,602.10
  5. Step 5: Solve for x
    x = 222,001,878,602.10/531,275.00
  6. Step 6: Final answer
    x = 417,866.22

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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.