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Finding the Fourth Proportional to 679,652.58, 937,888.47 and 373,741.86

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Solution

The fourth proportional to 679,652.58, 937,888.47 and 373,741.86 is: 515,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,652.58 : 937,888.47 = 373,741.86 : x
  2. Step 2: Convert to fraction form
    679,652.58/937,888.47 = 373,741.86/x
  3. Step 3: Cross multiply
    679,652.58x = 937,888.47 × 373,741.86
  4. Step 4: Simplify right side
    679,652.58x = 350,528,181,250.35
  5. Step 5: Solve for x
    x = 350,528,181,250.35/679,652.58
  6. Step 6: Final answer
    x = 515,746.12

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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.