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Finding the Fourth Proportional to 659,474.76, 910,039.14 and 373,052.28

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Solution

The fourth proportional to 659,474.76, 910,039.14 and 373,052.28 is: 514,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,474.76 : 910,039.14 = 373,052.28 : x
  2. Step 2: Convert to fraction form
    659,474.76/910,039.14 = 373,052.28/x
  3. Step 3: Cross multiply
    659,474.76x = 910,039.14 × 373,052.28
  4. Step 4: Simplify right side
    659,474.76x = 339,492,176,066.24
  5. Step 5: Solve for x
    x = 339,492,176,066.24/659,474.76
  6. Step 6: Final answer
    x = 514,791.77

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Double scale
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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.