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Finding the Fourth Proportional to 613,284.48, 915,263.40 and 572,676.12

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Solution

The fourth proportional to 613,284.48, 915,263.40 and 572,676.12 is: 854,659.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,284.48 : 915,263.40 = 572,676.12 : x
  2. Step 2: Convert to fraction form
    613,284.48/915,263.40 = 572,676.12/x
  3. Step 3: Cross multiply
    613,284.48x = 915,263.40 × 572,676.12
  4. Step 4: Simplify right side
    613,284.48x = 524,149,492,690.01
  5. Step 5: Solve for x
    x = 524,149,492,690.01/613,284.48
  6. Step 6: Final answer
    x = 854,659.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.