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Finding the Fourth Proportional to 283,547.70, 425,321.55 and 183,164.40

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Solution

The fourth proportional to 283,547.70, 425,321.55 and 183,164.40 is: 274,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,547.70 : 425,321.55 = 183,164.40 : x
  2. Step 2: Convert to fraction form
    283,547.70/425,321.55 = 183,164.40/x
  3. Step 3: Cross multiply
    283,547.70x = 425,321.55 × 183,164.40
  4. Step 4: Simplify right side
    283,547.70x = 77,903,766,512.82
  5. Step 5: Solve for x
    x = 77,903,766,512.82/283,547.70
  6. Step 6: Final answer
    x = 274,746.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.