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Finding the Fourth Proportional to 876,080.16, 1,208,991.12 and 473,671.84

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Solution

The fourth proportional to 876,080.16, 1,208,991.12 and 473,671.84 is: 653,667.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,080.16 : 1,208,991.12 = 473,671.84 : x
  2. Step 2: Convert to fraction form
    876,080.16/1,208,991.12 = 473,671.84/x
  3. Step 3: Cross multiply
    876,080.16x = 1,208,991.12 × 473,671.84
  4. Step 4: Simplify right side
    876,080.16x = 572,665,048,354.06
  5. Step 5: Solve for x
    x = 572,665,048,354.06/876,080.16
  6. Step 6: Final answer
    x = 653,667.41

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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.