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Finding the Fourth Proportional to 887,308.44, 1,224,482.94 and 484,900.44

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Solution

The fourth proportional to 887,308.44, 1,224,482.94 and 484,900.44 is: 669,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,308.44 : 1,224,482.94 = 484,900.44 : x
  2. Step 2: Convert to fraction form
    887,308.44/1,224,482.94 = 484,900.44/x
  3. Step 3: Cross multiply
    887,308.44x = 1,224,482.94 × 484,900.44
  4. Step 4: Simplify right side
    887,308.44x = 593,752,316,378.49
  5. Step 5: Solve for x
    x = 593,752,316,378.49/887,308.44
  6. Step 6: Final answer
    x = 669,161.13

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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.