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Finding the Fourth Proportional to 531,867.60, 797,628.60 and 176,821.20

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Solution

The fourth proportional to 531,867.60, 797,628.60 and 176,821.20 is: 265,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,867.60 : 797,628.60 = 176,821.20 : x
  2. Step 2: Convert to fraction form
    531,867.60/797,628.60 = 176,821.20/x
  3. Step 3: Cross multiply
    531,867.60x = 797,628.60 × 176,821.20
  4. Step 4: Simplify right side
    531,867.60x = 141,037,646,206.32
  5. Step 5: Solve for x
    x = 141,037,646,206.32/531,867.60
  6. Step 6: Final answer
    x = 265,174.35

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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.