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Finding the Fourth Proportional to 1,213,483.02, 1,674,531.27 and 669,623.10

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Solution

The fourth proportional to 1,213,483.02, 1,674,531.27 and 669,623.10 is: 924,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,483.02 : 1,674,531.27 = 669,623.10 : x
  2. Step 2: Convert to fraction form
    1,213,483.02/1,674,531.27 = 669,623.10/x
  3. Step 3: Cross multiply
    1,213,483.02x = 1,674,531.27 × 669,623.10
  4. Step 4: Simplify right side
    1,213,483.02x = 1,121,304,820,064.34
  5. Step 5: Solve for x
    x = 1,121,304,820,064.34/1,213,483.02
  6. Step 6: Final answer
    x = 924,038.33

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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.