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Finding the Fourth Proportional to 630,444.06, 940,113.68 and 624,757.86

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Solution

The fourth proportional to 630,444.06, 940,113.68 and 624,757.86 is: 931,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,444.06 : 940,113.68 = 624,757.86 : x
  2. Step 2: Convert to fraction form
    630,444.06/940,113.68 = 624,757.86/x
  3. Step 3: Cross multiply
    630,444.06x = 940,113.68 × 624,757.86
  4. Step 4: Simplify right side
    630,444.06x = 587,343,407,749.74
  5. Step 5: Solve for x
    x = 587,343,407,749.74/630,444.06
  6. Step 6: Final answer
    x = 931,634.45

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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.