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Finding the Fourth Proportional to 673,051.68, 928,802.16 and 367,130.88

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Solution

The fourth proportional to 673,051.68, 928,802.16 and 367,130.88 is: 506,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,051.68 : 928,802.16 = 367,130.88 : x
  2. Step 2: Convert to fraction form
    673,051.68/928,802.16 = 367,130.88/x
  3. Step 3: Cross multiply
    673,051.68x = 928,802.16 × 367,130.88
  4. Step 4: Simplify right side
    673,051.68x = 340,991,954,346.70
  5. Step 5: Solve for x
    x = 340,991,954,346.70/673,051.68
  6. Step 6: Final answer
    x = 506,635.62

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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.