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Finding the Fourth Proportional to 954,728.88, 1,317,559.68 and 525,041.70

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Solution

The fourth proportional to 954,728.88, 1,317,559.68 and 525,041.70 is: 724,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,728.88 : 1,317,559.68 = 525,041.70 : x
  2. Step 2: Convert to fraction form
    954,728.88/1,317,559.68 = 525,041.70/x
  3. Step 3: Cross multiply
    954,728.88x = 1,317,559.68 × 525,041.70
  4. Step 4: Simplify right side
    954,728.88x = 691,773,774,238.66
  5. Step 5: Solve for x
    x = 691,773,774,238.66/954,728.88
  6. Step 6: Final answer
    x = 724,576.15

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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.