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Finding the Fourth Proportional to 933,643.68, 1,400,465.52 and 745,775.52

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Solution

The fourth proportional to 933,643.68, 1,400,465.52 and 745,775.52 is: 1,118,663.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,643.68 : 1,400,465.52 = 745,775.52 : x
  2. Step 2: Convert to fraction form
    933,643.68/1,400,465.52 = 745,775.52/x
  3. Step 3: Cross multiply
    933,643.68x = 1,400,465.52 × 745,775.52
  4. Step 4: Simplify right side
    933,643.68x = 1,044,432,901,420.07
  5. Step 5: Solve for x
    x = 1,044,432,901,420.07/933,643.68
  6. Step 6: Final answer
    x = 1,118,663.28

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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.