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Finding the Fourth Proportional to 346,588.80, 519,445.80 and 168,712.80

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Solution

The fourth proportional to 346,588.80, 519,445.80 and 168,712.80 is: 252,856.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,588.80 : 519,445.80 = 168,712.80 : x
  2. Step 2: Convert to fraction form
    346,588.80/519,445.80 = 168,712.80/x
  3. Step 3: Cross multiply
    346,588.80x = 519,445.80 × 168,712.80
  4. Step 4: Simplify right side
    346,588.80x = 87,637,155,366.24
  5. Step 5: Solve for x
    x = 87,637,155,366.24/346,588.80
  6. Step 6: Final answer
    x = 252,856.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.