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Finding the Fourth Proportional to 671,430.46, 926,545.08 and 365,507.32

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Solution

The fourth proportional to 671,430.46, 926,545.08 and 365,507.32 is: 504,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,430.46 : 926,545.08 = 365,507.32 : x
  2. Step 2: Convert to fraction form
    671,430.46/926,545.08 = 365,507.32/x
  3. Step 3: Cross multiply
    671,430.46x = 926,545.08 × 365,507.32
  4. Step 4: Simplify right side
    671,430.46x = 338,659,009,049.99
  5. Step 5: Solve for x
    x = 338,659,009,049.99/671,430.46
  6. Step 6: Final answer
    x = 504,384.34

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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.