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Finding the Fourth Proportional to 835,776.83, 1,153,339.68 and 453,794.87

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Solution

The fourth proportional to 835,776.83, 1,153,339.68 and 453,794.87 is: 626,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,776.83 : 1,153,339.68 = 453,794.87 : x
  2. Step 2: Convert to fraction form
    835,776.83/1,153,339.68 = 453,794.87/x
  3. Step 3: Cross multiply
    835,776.83x = 1,153,339.68 × 453,794.87
  4. Step 4: Simplify right side
    835,776.83x = 523,379,624,384.74
  5. Step 5: Solve for x
    x = 523,379,624,384.74/835,776.83
  6. Step 6: Final answer
    x = 626,219.36

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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.