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Finding the Fourth Proportional to 622,740.93, 930,699.33 and 454,615.29

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Solution

The fourth proportional to 622,740.93, 930,699.33 and 454,615.29 is: 679,432.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,740.93 : 930,699.33 = 454,615.29 : x
  2. Step 2: Convert to fraction form
    622,740.93/930,699.33 = 454,615.29/x
  3. Step 3: Cross multiply
    622,740.93x = 930,699.33 × 454,615.29
  4. Step 4: Simplify right side
    622,740.93x = 423,110,145,810.76
  5. Step 5: Solve for x
    x = 423,110,145,810.76/622,740.93
  6. Step 6: Final answer
    x = 679,432.05

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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.