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Finding the Fourth Proportional to 716,248.93, 988,563.93 and 410,530.21

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Solution

The fourth proportional to 716,248.93, 988,563.93 and 410,530.21 is: 566,612.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,248.93 : 988,563.93 = 410,530.21 : x
  2. Step 2: Convert to fraction form
    716,248.93/988,563.93 = 410,530.21/x
  3. Step 3: Cross multiply
    716,248.93x = 988,563.93 × 410,530.21
  4. Step 4: Simplify right side
    716,248.93x = 405,835,355,728.67
  5. Step 5: Solve for x
    x = 405,835,355,728.67/716,248.93
  6. Step 6: Final answer
    x = 566,612.17

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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.