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Finding the Fourth Proportional to 703,770.60, 972,010.56 and 463,127.47

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Solution

The fourth proportional to 703,770.60, 972,010.56 and 463,127.47 is: 639,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,770.60 : 972,010.56 = 463,127.47 : x
  2. Step 2: Convert to fraction form
    703,770.60/972,010.56 = 463,127.47/x
  3. Step 3: Cross multiply
    703,770.60x = 972,010.56 × 463,127.47
  4. Step 4: Simplify right side
    703,770.60x = 450,164,792,332.71
  5. Step 5: Solve for x
    x = 450,164,792,332.71/703,770.60
  6. Step 6: Final answer
    x = 639,647.06

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1.5x scale

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.