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Finding the Fourth Proportional to 800,347.30, 1,104,574.53 and 460,881.70

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Solution

The fourth proportional to 800,347.30, 1,104,574.53 and 460,881.70 is: 636,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,347.30 : 1,104,574.53 = 460,881.70 : x
  2. Step 2: Convert to fraction form
    800,347.30/1,104,574.53 = 460,881.70/x
  3. Step 3: Cross multiply
    800,347.30x = 1,104,574.53 × 460,881.70
  4. Step 4: Simplify right side
    800,347.30x = 509,078,187,163.10
  5. Step 5: Solve for x
    x = 509,078,187,163.10/800,347.30
  6. Step 6: Final answer
    x = 636,071.60

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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.