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Finding the Fourth Proportional to 888,710.94, 1,226,421.92 and 486,302.94

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Solution

The fourth proportional to 888,710.94, 1,226,421.92 and 486,302.94 is: 671,098.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,710.94 : 1,226,421.92 = 486,302.94 : x
  2. Step 2: Convert to fraction form
    888,710.94/1,226,421.92 = 486,302.94/x
  3. Step 3: Cross multiply
    888,710.94x = 1,226,421.92 × 486,302.94
  4. Step 4: Simplify right side
    888,710.94x = 596,412,585,376.45
  5. Step 5: Solve for x
    x = 596,412,585,376.45/888,710.94
  6. Step 6: Final answer
    x = 671,098.51

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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.