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Finding the Fourth Proportional to 716,425.86, 988,809.01 and 410,707.53

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Solution

The fourth proportional to 716,425.86, 988,809.01 and 410,707.53 is: 566,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,425.86 : 988,809.01 = 410,707.53 : x
  2. Step 2: Convert to fraction form
    716,425.86/988,809.01 = 410,707.53/x
  3. Step 3: Cross multiply
    716,425.86x = 988,809.01 × 410,707.53
  4. Step 4: Simplify right side
    716,425.86x = 406,111,306,138.85
  5. Step 5: Solve for x
    x = 406,111,306,138.85/716,425.86
  6. Step 6: Final answer
    x = 566,857.41

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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.