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Finding the Fourth Proportional to 562,697.97, 776,597.12 and 320,925.12

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Solution

The fourth proportional to 562,697.97, 776,597.12 and 320,925.12 is: 442,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,697.97 : 776,597.12 = 320,925.12 : x
  2. Step 2: Convert to fraction form
    562,697.97/776,597.12 = 320,925.12/x
  3. Step 3: Cross multiply
    562,697.97x = 776,597.12 × 320,925.12
  4. Step 4: Simplify right side
    562,697.97x = 249,229,528,243.94
  5. Step 5: Solve for x
    x = 249,229,528,243.94/562,697.97
  6. Step 6: Final answer
    x = 442,918.83

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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.