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Finding the Fourth Proportional to 625,782.08, 930,622.42 and 605,852.96

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Solution

The fourth proportional to 625,782.08, 930,622.42 and 605,852.96 is: 900,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,782.08 : 930,622.42 = 605,852.96 : x
  2. Step 2: Convert to fraction form
    625,782.08/930,622.42 = 605,852.96/x
  3. Step 3: Cross multiply
    625,782.08x = 930,622.42 × 605,852.96
  4. Step 4: Simplify right side
    625,782.08x = 563,820,347,799.36
  5. Step 5: Solve for x
    x = 563,820,347,799.36/625,782.08
  6. Step 6: Final answer
    x = 900,985.13

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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.