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Finding the Fourth Proportional to 693,887.06, 957,273.95 and 540,659.16

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Solution

The fourth proportional to 693,887.06, 957,273.95 and 540,659.16 is: 745,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,887.06 : 957,273.95 = 540,659.16 : x
  2. Step 2: Convert to fraction form
    693,887.06/957,273.95 = 540,659.16/x
  3. Step 3: Cross multiply
    693,887.06x = 957,273.95 × 540,659.16
  4. Step 4: Simplify right side
    693,887.06x = 517,558,931,048.53
  5. Step 5: Solve for x
    x = 517,558,931,048.53/693,887.06
  6. Step 6: Final answer
    x = 745,883.53

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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.