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Finding the Fourth Proportional to 710,594.76, 979,943.04 and 465,213.36

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Solution

The fourth proportional to 710,594.76, 979,943.04 and 465,213.36 is: 641,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,594.76 : 979,943.04 = 465,213.36 : x
  2. Step 2: Convert to fraction form
    710,594.76/979,943.04 = 465,213.36/x
  3. Step 3: Cross multiply
    710,594.76x = 979,943.04 × 465,213.36
  4. Step 4: Simplify right side
    710,594.76x = 455,882,594,247.01
  5. Step 5: Solve for x
    x = 455,882,594,247.01/710,594.76
  6. Step 6: Final answer
    x = 641,550.74

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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.