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Finding the Fourth Proportional to 659,491.64, 910,119.12 and 373,006.16

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Solution

The fourth proportional to 659,491.64, 910,119.12 and 373,006.16 is: 514,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,491.64 : 910,119.12 = 373,006.16 : x
  2. Step 2: Convert to fraction form
    659,491.64/910,119.12 = 373,006.16/x
  3. Step 3: Cross multiply
    659,491.64x = 910,119.12 × 373,006.16
  4. Step 4: Simplify right side
    659,491.64x = 339,480,038,093.78
  5. Step 5: Solve for x
    x = 339,480,038,093.78/659,491.64
  6. Step 6: Final answer
    x = 514,760.18

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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.