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Finding the Fourth Proportional to 673,555.02, 928,612.72 and 558,398.94

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Solution

The fourth proportional to 673,555.02, 928,612.72 and 558,398.94 is: 769,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,555.02 : 928,612.72 = 558,398.94 : x
  2. Step 2: Convert to fraction form
    673,555.02/928,612.72 = 558,398.94/x
  3. Step 3: Cross multiply
    673,555.02x = 928,612.72 × 558,398.94
  4. Step 4: Simplify right side
    673,555.02x = 518,536,358,518.52
  5. Step 5: Solve for x
    x = 518,536,358,518.52/673,555.02
  6. Step 6: Final answer
    x = 769,850.04

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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.