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Finding the Fourth Proportional to 942,637.80, 1,416,909.15 and 924,923.10

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Solution

The fourth proportional to 942,637.80, 1,416,909.15 and 924,923.10 is: 1,390,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,637.80 : 1,416,909.15 = 924,923.10 : x
  2. Step 2: Convert to fraction form
    942,637.80/1,416,909.15 = 924,923.10/x
  3. Step 3: Cross multiply
    942,637.80x = 1,416,909.15 × 924,923.10
  4. Step 4: Simplify right side
    942,637.80x = 1,310,532,003,436.37
  5. Step 5: Solve for x
    x = 1,310,532,003,436.37/942,637.80
  6. Step 6: Final answer
    x = 1,390,281.62

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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.