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Finding the Fourth Proportional to 1,265,764.95, 1,746,752.72 and 692,800.11

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Solution

The fourth proportional to 1,265,764.95, 1,746,752.72 and 692,800.11 is: 956,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,764.95 : 1,746,752.72 = 692,800.11 : x
  2. Step 2: Convert to fraction form
    1,265,764.95/1,746,752.72 = 692,800.11/x
  3. Step 3: Cross multiply
    1,265,764.95x = 1,746,752.72 × 692,800.11
  4. Step 4: Simplify right side
    1,265,764.95x = 1,210,150,473,094.80
  5. Step 5: Solve for x
    x = 1,210,150,473,094.80/1,265,764.95
  6. Step 6: Final answer
    x = 956,062.56

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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.