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Finding the Fourth Proportional to 623,864.70, 935,797.05 and 606,368.70

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Solution

The fourth proportional to 623,864.70, 935,797.05 and 606,368.70 is: 909,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,864.70 : 935,797.05 = 606,368.70 : x
  2. Step 2: Convert to fraction form
    623,864.70/935,797.05 = 606,368.70/x
  3. Step 3: Cross multiply
    623,864.70x = 935,797.05 × 606,368.70
  4. Step 4: Simplify right side
    623,864.70x = 567,438,040,672.34
  5. Step 5: Solve for x
    x = 567,438,040,672.34/623,864.70
  6. Step 6: Final answer
    x = 909,553.05

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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.