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Finding the Fourth Proportional to 624,925.80, 935,019.45 and 414,973.80

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Solution

The fourth proportional to 624,925.80, 935,019.45 and 414,973.80 is: 620,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,925.80 : 935,019.45 = 414,973.80 : x
  2. Step 2: Convert to fraction form
    624,925.80/935,019.45 = 414,973.80/x
  3. Step 3: Cross multiply
    624,925.80x = 935,019.45 × 414,973.80
  4. Step 4: Simplify right side
    624,925.80x = 388,008,574,240.41
  5. Step 5: Solve for x
    x = 388,008,574,240.41/624,925.80
  6. Step 6: Final answer
    x = 620,887.43

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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.