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Finding the Fourth Proportional to 622,925.68, 930,974.64 and 454,800.06

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Solution

The fourth proportional to 622,925.68, 930,974.64 and 454,800.06 is: 679,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,925.68 : 930,974.64 = 454,800.06 : x
  2. Step 2: Convert to fraction form
    622,925.68/930,974.64 = 454,800.06/x
  3. Step 3: Cross multiply
    622,925.68x = 930,974.64 × 454,800.06
  4. Step 4: Simplify right side
    622,925.68x = 423,407,317,475.61
  5. Step 5: Solve for x
    x = 423,407,317,475.61/622,925.68
  6. Step 6: Final answer
    x = 679,707.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.