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Finding the Fourth Proportional to 362,701.05, 500,274.07 and 307,875.11

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Solution

The fourth proportional to 362,701.05, 500,274.07 and 307,875.11 is: 424,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,701.05 : 500,274.07 = 307,875.11 : x
  2. Step 2: Convert to fraction form
    362,701.05/500,274.07 = 307,875.11/x
  3. Step 3: Cross multiply
    362,701.05x = 500,274.07 × 307,875.11
  4. Step 4: Simplify right side
    362,701.05x = 154,021,934,331.40
  5. Step 5: Solve for x
    x = 154,021,934,331.40/362,701.05
  6. Step 6: Final answer
    x = 424,652.57

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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.