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Finding the Fourth Proportional to 985,561.83, 1,360,073.43 and 555,840.63

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Solution

The fourth proportional to 985,561.83, 1,360,073.43 and 555,840.63 is: 767,059.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,561.83 : 1,360,073.43 = 555,840.63 : x
  2. Step 2: Convert to fraction form
    985,561.83/1,360,073.43 = 555,840.63/x
  3. Step 3: Cross multiply
    985,561.83x = 1,360,073.43 × 555,840.63
  4. Step 4: Simplify right side
    985,561.83x = 755,984,072,177.46
  5. Step 5: Solve for x
    x = 755,984,072,177.46/985,561.83
  6. Step 6: Final answer
    x = 767,059.00

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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.