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Finding the Fourth Proportional to 965,715.90, 1,448,573.85 and 468,051.90

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Solution

The fourth proportional to 965,715.90, 1,448,573.85 and 468,051.90 is: 702,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,715.90 : 1,448,573.85 = 468,051.90 : x
  2. Step 2: Convert to fraction form
    965,715.90/1,448,573.85 = 468,051.90/x
  3. Step 3: Cross multiply
    965,715.90x = 1,448,573.85 × 468,051.90
  4. Step 4: Simplify right side
    965,715.90x = 678,007,742,782.82
  5. Step 5: Solve for x
    x = 678,007,742,782.82/965,715.90
  6. Step 6: Final answer
    x = 702,077.85

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Double scale
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Similar ratio
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1.5x scale

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.