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Finding the Fourth Proportional to 835,752.92, 1,153,343.63 and 453,779.71

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Solution

The fourth proportional to 835,752.92, 1,153,343.63 and 453,779.71 is: 626,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,752.92 : 1,153,343.63 = 453,779.71 : x
  2. Step 2: Convert to fraction form
    835,752.92/1,153,343.63 = 453,779.71/x
  3. Step 3: Cross multiply
    835,752.92x = 1,153,343.63 × 453,779.71
  4. Step 4: Simplify right side
    835,752.92x = 523,363,936,202.84
  5. Step 5: Solve for x
    x = 523,363,936,202.84/835,752.92
  6. Step 6: Final answer
    x = 626,218.50

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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.