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Finding the Fourth Proportional to 1,746,252.40, 2,409,968.28 and 982,260.40

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Solution

The fourth proportional to 1,746,252.40, 2,409,968.28 and 982,260.40 is: 1,355,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746,252.40 : 2,409,968.28 = 982,260.40 : x
  2. Step 2: Convert to fraction form
    1,746,252.40/2,409,968.28 = 982,260.40/x
  3. Step 3: Cross multiply
    1,746,252.40x = 2,409,968.28 × 982,260.40
  4. Step 4: Simplify right side
    1,746,252.40x = 2,367,216,406,700.11
  5. Step 5: Solve for x
    x = 2,367,216,406,700.11/1,746,252.40
  6. Step 6: Final answer
    x = 1,355,598.08

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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.