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Finding the Fourth Proportional to 774,690.68, 1,158,468.72 and 736,899.32

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Solution

The fourth proportional to 774,690.68, 1,158,468.72 and 736,899.32 is: 1,101,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,690.68 : 1,158,468.72 = 736,899.32 : x
  2. Step 2: Convert to fraction form
    774,690.68/1,158,468.72 = 736,899.32/x
  3. Step 3: Cross multiply
    774,690.68x = 1,158,468.72 × 736,899.32
  4. Step 4: Simplify right side
    774,690.68x = 853,674,812,009.27
  5. Step 5: Solve for x
    x = 853,674,812,009.27/774,690.68
  6. Step 6: Final answer
    x = 1,101,955.70

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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.