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Finding the Fourth Proportional to 835,873.68, 1,153,800 and 496,339.52

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Solution

The fourth proportional to 835,873.68, 1,153,800 and 496,339.52 is: 685,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,873.68 : 1,153,800 = 496,339.52 : x
  2. Step 2: Convert to fraction form
    835,873.68/1,153,800 = 496,339.52/x
  3. Step 3: Cross multiply
    835,873.68x = 1,153,800 × 496,339.52
  4. Step 4: Simplify right side
    835,873.68x = 572,676,538,176
  5. Step 5: Solve for x
    x = 572,676,538,176/835,873.68
  6. Step 6: Final answer
    x = 685,123.30

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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.