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Finding the Fourth Proportional to 888,706.69, 1,226,416.04 and 486,298.69

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Solution

The fourth proportional to 888,706.69, 1,226,416.04 and 486,298.69 is: 671,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,706.69 : 1,226,416.04 = 486,298.69 : x
  2. Step 2: Convert to fraction form
    888,706.69/1,226,416.04 = 486,298.69/x
  3. Step 3: Cross multiply
    888,706.69x = 1,226,416.04 × 486,298.69
  4. Step 4: Simplify right side
    888,706.69x = 596,404,509,973.07
  5. Step 5: Solve for x
    x = 596,404,509,973.07/888,706.69
  6. Step 6: Final answer
    x = 671,092.63

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Double scale
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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.