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Finding the Fourth Proportional to 603,666.86, 832,713.36 and 376,918.70

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Solution

The fourth proportional to 603,666.86, 832,713.36 and 376,918.70 is: 519,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,666.86 : 832,713.36 = 376,918.70 : x
  2. Step 2: Convert to fraction form
    603,666.86/832,713.36 = 376,918.70/x
  3. Step 3: Cross multiply
    603,666.86x = 832,713.36 × 376,918.70
  4. Step 4: Simplify right side
    603,666.86x = 313,865,232,960.27
  5. Step 5: Solve for x
    x = 313,865,232,960.27/603,666.86
  6. Step 6: Final answer
    x = 519,931.20

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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.