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Finding the Fourth Proportional to 614,901.12, 848,433.92 and 373,310.72

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Solution

The fourth proportional to 614,901.12, 848,433.92 and 373,310.72 is: 515,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,901.12 : 848,433.92 = 373,310.72 : x
  2. Step 2: Convert to fraction form
    614,901.12/848,433.92 = 373,310.72/x
  3. Step 3: Cross multiply
    614,901.12x = 848,433.92 × 373,310.72
  4. Step 4: Simplify right side
    614,901.12x = 316,729,477,547.62
  5. Step 5: Solve for x
    x = 316,729,477,547.62/614,901.12
  6. Step 6: Final answer
    x = 515,090.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.