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Finding the Fourth Proportional to 845,482.40, 1,166,729.04 and 506,137.76

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Solution

The fourth proportional to 845,482.40, 1,166,729.04 and 506,137.76 is: 698,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,482.40 : 1,166,729.04 = 506,137.76 : x
  2. Step 2: Convert to fraction form
    845,482.40/1,166,729.04 = 506,137.76/x
  3. Step 3: Cross multiply
    845,482.40x = 1,166,729.04 × 506,137.76
  4. Step 4: Simplify right side
    845,482.40x = 590,525,622,832.55
  5. Step 5: Solve for x
    x = 590,525,622,832.55/845,482.40
  6. Step 6: Final answer
    x = 698,448.16

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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.