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Finding the Fourth Proportional to 834,315.03, 1,151,379.03 and 471,731.10

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Solution

The fourth proportional to 834,315.03, 1,151,379.03 and 471,731.10 is: 651,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,315.03 : 1,151,379.03 = 471,731.10 : x
  2. Step 2: Convert to fraction form
    834,315.03/1,151,379.03 = 471,731.10/x
  3. Step 3: Cross multiply
    834,315.03x = 1,151,379.03 × 471,731.10
  4. Step 4: Simplify right side
    834,315.03x = 543,141,293,980.18
  5. Step 5: Solve for x
    x = 543,141,293,980.18/834,315.03
  6. Step 6: Final answer
    x = 651,002.65

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1.5x scale

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.