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Finding the Fourth Proportional to 4,395,718.80, 6,588,766.80 and 1,554,368.40

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Solution

The fourth proportional to 4,395,718.80, 6,588,766.80 and 1,554,368.40 is: 2,329,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395,718.80 : 6,588,766.80 = 1,554,368.40 : x
  2. Step 2: Convert to fraction form
    4,395,718.80/6,588,766.80 = 1,554,368.40/x
  3. Step 3: Cross multiply
    4,395,718.80x = 6,588,766.80 × 1,554,368.40
  4. Step 4: Simplify right side
    4,395,718.80x = 10,241,370,908,889.12
  5. Step 5: Solve for x
    x = 10,241,370,908,889.12/4,395,718.80
  6. Step 6: Final answer
    x = 2,329,851.24

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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.