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Finding the Fourth Proportional to 468,410.84, 646,407.08 and 253,550.24

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Solution

The fourth proportional to 468,410.84, 646,407.08 and 253,550.24 is: 349,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,410.84 : 646,407.08 = 253,550.24 : x
  2. Step 2: Convert to fraction form
    468,410.84/646,407.08 = 253,550.24/x
  3. Step 3: Cross multiply
    468,410.84x = 646,407.08 × 253,550.24
  4. Step 4: Simplify right side
    468,410.84x = 163,896,670,271.70
  5. Step 5: Solve for x
    x = 163,896,670,271.70/468,410.84
  6. Step 6: Final answer
    x = 349,899.40

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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.