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Finding the Fourth Proportional to 696,918.08, 960,728.95 and 492,608.54

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Solution

The fourth proportional to 696,918.08, 960,728.95 and 492,608.54 is: 679,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,918.08 : 960,728.95 = 492,608.54 : x
  2. Step 2: Convert to fraction form
    696,918.08/960,728.95 = 492,608.54/x
  3. Step 3: Cross multiply
    696,918.08x = 960,728.95 × 492,608.54
  4. Step 4: Simplify right side
    696,918.08x = 473,263,285,395.23
  5. Step 5: Solve for x
    x = 473,263,285,395.23/696,918.08
  6. Step 6: Final answer
    x = 679,080.22

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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.