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Finding the Fourth Proportional to 670,508.96, 924,003.06 and 555,953.90

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Solution

The fourth proportional to 670,508.96, 924,003.06 and 555,953.90 is: 766,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,508.96 : 924,003.06 = 555,953.90 : x
  2. Step 2: Convert to fraction form
    670,508.96/924,003.06 = 555,953.90/x
  3. Step 3: Cross multiply
    670,508.96x = 924,003.06 × 555,953.90
  4. Step 4: Simplify right side
    670,508.96x = 513,703,104,818.93
  5. Step 5: Solve for x
    x = 513,703,104,818.93/670,508.96
  6. Step 6: Final answer
    x = 766,139.06

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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.