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Finding the Fourth Proportional to 965,253.70, 1,332,210 and 535,671.82

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Solution

The fourth proportional to 965,253.70, 1,332,210 and 535,671.82 is: 739,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,253.70 : 1,332,210 = 535,671.82 : x
  2. Step 2: Convert to fraction form
    965,253.70/1,332,210 = 535,671.82/x
  3. Step 3: Cross multiply
    965,253.70x = 1,332,210 × 535,671.82
  4. Step 4: Simplify right side
    965,253.70x = 713,627,355,322.20
  5. Step 5: Solve for x
    x = 713,627,355,322.20/965,253.70
  6. Step 6: Final answer
    x = 739,315.85

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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.