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Finding the Fourth Proportional to 631,160.40, 944,897.40 and 564,805.20

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Solution

The fourth proportional to 631,160.40, 944,897.40 and 564,805.20 is: 845,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,160.40 : 944,897.40 = 564,805.20 : x
  2. Step 2: Convert to fraction form
    631,160.40/944,897.40 = 564,805.20/x
  3. Step 3: Cross multiply
    631,160.40x = 944,897.40 × 564,805.20
  4. Step 4: Simplify right side
    631,160.40x = 533,682,964,986.48
  5. Step 5: Solve for x
    x = 533,682,964,986.48/631,160.40
  6. Step 6: Final answer
    x = 845,558.38

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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.