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Finding the Fourth Proportional to 631,012.60, 941,689.57 and 563,696.74

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Solution

The fourth proportional to 631,012.60, 941,689.57 and 563,696.74 is: 841,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,012.60 : 941,689.57 = 563,696.74 : x
  2. Step 2: Convert to fraction form
    631,012.60/941,689.57 = 563,696.74/x
  3. Step 3: Cross multiply
    631,012.60x = 941,689.57 × 563,696.74
  4. Step 4: Simplify right side
    631,012.60x = 530,827,340,701.00
  5. Step 5: Solve for x
    x = 530,827,340,701.00/631,012.60
  6. Step 6: Final answer
    x = 841,230.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.