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Finding the Fourth Proportional to 835,855.61, 1,153,602.57 and 468,357.59

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Solution

The fourth proportional to 835,855.61, 1,153,602.57 and 468,357.59 is: 646,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,855.61 : 1,153,602.57 = 468,357.59 : x
  2. Step 2: Convert to fraction form
    835,855.61/1,153,602.57 = 468,357.59/x
  3. Step 3: Cross multiply
    835,855.61x = 1,153,602.57 × 468,357.59
  4. Step 4: Simplify right side
    835,855.61x = 540,298,524,143.35
  5. Step 5: Solve for x
    x = 540,298,524,143.35/835,855.61
  6. Step 6: Final answer
    x = 646,401.75

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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.