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Finding the Fourth Proportional to 698,907.60, 962,112.24 and 517,277.16

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Solution

The fourth proportional to 698,907.60, 962,112.24 and 517,277.16 is: 712,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,907.60 : 962,112.24 = 517,277.16 : x
  2. Step 2: Convert to fraction form
    698,907.60/962,112.24 = 517,277.16/x
  3. Step 3: Cross multiply
    698,907.60x = 962,112.24 × 517,277.16
  4. Step 4: Simplify right side
    698,907.60x = 497,678,687,108.44
  5. Step 5: Solve for x
    x = 497,678,687,108.44/698,907.60
  6. Step 6: Final answer
    x = 712,080.81

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Double scale
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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.