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Finding the Fourth Proportional to 620,904.17, 930,513.99 and 283,526.57

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Solution

The fourth proportional to 620,904.17, 930,513.99 and 283,526.57 is: 424,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,904.17 : 930,513.99 = 283,526.57 : x
  2. Step 2: Convert to fraction form
    620,904.17/930,513.99 = 283,526.57/x
  3. Step 3: Cross multiply
    620,904.17x = 930,513.99 × 283,526.57
  4. Step 4: Simplify right side
    620,904.17x = 263,825,439,921.71
  5. Step 5: Solve for x
    x = 263,825,439,921.71/620,904.17
  6. Step 6: Final answer
    x = 424,905.25

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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.