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Finding the Fourth Proportional to 786,066.72, 1,084,740.72 and 446,497.44

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Solution

The fourth proportional to 786,066.72, 1,084,740.72 and 446,497.44 is: 616,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,066.72 : 1,084,740.72 = 446,497.44 : x
  2. Step 2: Convert to fraction form
    786,066.72/1,084,740.72 = 446,497.44/x
  3. Step 3: Cross multiply
    786,066.72x = 1,084,740.72 × 446,497.44
  4. Step 4: Simplify right side
    786,066.72x = 484,333,954,543.76
  5. Step 5: Solve for x
    x = 484,333,954,543.76/786,066.72
  6. Step 6: Final answer
    x = 616,148.66

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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.