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Finding the Fourth Proportional to 594,663.40, 891,995.10 and 417,370.60

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Solution

The fourth proportional to 594,663.40, 891,995.10 and 417,370.60 is: 626,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,663.40 : 891,995.10 = 417,370.60 : x
  2. Step 2: Convert to fraction form
    594,663.40/891,995.10 = 417,370.60/x
  3. Step 3: Cross multiply
    594,663.40x = 891,995.10 × 417,370.60
  4. Step 4: Simplify right side
    594,663.40x = 372,292,530,084.06
  5. Step 5: Solve for x
    x = 372,292,530,084.06/594,663.40
  6. Step 6: Final answer
    x = 626,055.90

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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.