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Finding the Fourth Proportional to 716,248.89, 988,563.89 and 410,530.22

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Solution

The fourth proportional to 716,248.89, 988,563.89 and 410,530.22 is: 566,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,248.89 : 988,563.89 = 410,530.22 : x
  2. Step 2: Convert to fraction form
    716,248.89/988,563.89 = 410,530.22/x
  3. Step 3: Cross multiply
    716,248.89x = 988,563.89 × 410,530.22
  4. Step 4: Simplify right side
    716,248.89x = 405,835,351,036.38
  5. Step 5: Solve for x
    x = 405,835,351,036.38/716,248.89
  6. Step 6: Final answer
    x = 566,612.19

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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.