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Finding the Fourth Proportional to 698,326.71, 963,803.17 and 652,739.50

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Solution

The fourth proportional to 698,326.71, 963,803.17 and 652,739.50 is: 900,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,326.71 : 963,803.17 = 652,739.50 : x
  2. Step 2: Convert to fraction form
    698,326.71/963,803.17 = 652,739.50/x
  3. Step 3: Cross multiply
    698,326.71x = 963,803.17 × 652,739.50
  4. Step 4: Simplify right side
    698,326.71x = 629,112,399,284.22
  5. Step 5: Solve for x
    x = 629,112,399,284.22/698,326.71
  6. Step 6: Final answer
    x = 900,885.49

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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.