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Finding the Fourth Proportional to 622,749.60, 934,124.40 and 610,939.80

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Solution

The fourth proportional to 622,749.60, 934,124.40 and 610,939.80 is: 916,409.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,749.60 : 934,124.40 = 610,939.80 : x
  2. Step 2: Convert to fraction form
    622,749.60/934,124.40 = 610,939.80/x
  3. Step 3: Cross multiply
    622,749.60x = 934,124.40 × 610,939.80
  4. Step 4: Simplify right side
    622,749.60x = 570,693,774,111.12
  5. Step 5: Solve for x
    x = 570,693,774,111.12/622,749.60
  6. Step 6: Final answer
    x = 916,409.70

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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.