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Finding the Fourth Proportional to 846,953.91, 1,168,798.35 and 465,005.30

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Solution

The fourth proportional to 846,953.91, 1,168,798.35 and 465,005.30 is: 641,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,953.91 : 1,168,798.35 = 465,005.30 : x
  2. Step 2: Convert to fraction form
    846,953.91/1,168,798.35 = 465,005.30/x
  3. Step 3: Cross multiply
    846,953.91x = 1,168,798.35 × 465,005.30
  4. Step 4: Simplify right side
    846,953.91x = 543,497,421,537.26
  5. Step 5: Solve for x
    x = 543,497,421,537.26/846,953.91
  6. Step 6: Final answer
    x = 641,708.38

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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.