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Finding the Fourth Proportional to 634,397.63, 875,387.81 and 362,483.13

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Solution

The fourth proportional to 634,397.63, 875,387.81 and 362,483.13 is: 500,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,397.63 : 875,387.81 = 362,483.13 : x
  2. Step 2: Convert to fraction form
    634,397.63/875,387.81 = 362,483.13/x
  3. Step 3: Cross multiply
    634,397.63x = 875,387.81 × 362,483.13
  4. Step 4: Simplify right side
    634,397.63x = 317,313,311,520.23
  5. Step 5: Solve for x
    x = 317,313,311,520.23/634,397.63
  6. Step 6: Final answer
    x = 500,180.48

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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.