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Finding the Fourth Proportional to 607,842.37, 910,948.55 and 473,069.18

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Solution

The fourth proportional to 607,842.37, 910,948.55 and 473,069.18 is: 708,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,842.37 : 910,948.55 = 473,069.18 : x
  2. Step 2: Convert to fraction form
    607,842.37/910,948.55 = 473,069.18/x
  3. Step 3: Cross multiply
    607,842.37x = 910,948.55 × 473,069.18
  4. Step 4: Simplify right side
    607,842.37x = 430,941,679,015.95
  5. Step 5: Solve for x
    x = 430,941,679,015.95/607,842.37
  6. Step 6: Final answer
    x = 708,969.47

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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.