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Finding the Fourth Proportional to 992,034, 1,485,526.80 and 654,049.24

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Solution

The fourth proportional to 992,034, 1,485,526.80 and 654,049.24 is: 979,409.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,034 : 1,485,526.80 = 654,049.24 : x
  2. Step 2: Convert to fraction form
    992,034/1,485,526.80 = 654,049.24/x
  3. Step 3: Cross multiply
    992,034x = 1,485,526.80 × 654,049.24
  4. Step 4: Simplify right side
    992,034x = 971,607,674,539.63
  5. Step 5: Solve for x
    x = 971,607,674,539.63/992,034
  6. Step 6: Final answer
    x = 979,409.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.