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Finding the Fourth Proportional to 777,624.30, 1,091,823.30 and 777,624.30

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Solution

The fourth proportional to 777,624.30, 1,091,823.30 and 777,624.30 is: 1,091,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,624.30 : 1,091,823.30 = 777,624.30 : x
  2. Step 2: Convert to fraction form
    777,624.30/1,091,823.30 = 777,624.30/x
  3. Step 3: Cross multiply
    777,624.30x = 1,091,823.30 × 777,624.30
  4. Step 4: Simplify right side
    777,624.30x = 849,028,329,386.19
  5. Step 5: Solve for x
    x = 849,028,329,386.19/777,624.30
  6. Step 6: Final answer
    x = 1,091,823.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.