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Finding the Fourth Proportional to 581,606.05, 803,228.24 and 518,206.13

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Solution

The fourth proportional to 581,606.05, 803,228.24 and 518,206.13 is: 715,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,606.05 : 803,228.24 = 518,206.13 : x
  2. Step 2: Convert to fraction form
    581,606.05/803,228.24 = 518,206.13/x
  3. Step 3: Cross multiply
    581,606.05x = 803,228.24 × 518,206.13
  4. Step 4: Simplify right side
    581,606.05x = 416,237,797,757.11
  5. Step 5: Solve for x
    x = 416,237,797,757.11/581,606.05
  6. Step 6: Final answer
    x = 715,669.66

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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.