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Finding the Fourth Proportional to 674,106.04, 930,687.06 and 429,229

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Solution

The fourth proportional to 674,106.04, 930,687.06 and 429,229 is: 592,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,106.04 : 930,687.06 = 429,229 : x
  2. Step 2: Convert to fraction form
    674,106.04/930,687.06 = 429,229/x
  3. Step 3: Cross multiply
    674,106.04x = 930,687.06 × 429,229
  4. Step 4: Simplify right side
    674,106.04x = 399,477,876,076.74
  5. Step 5: Solve for x
    x = 399,477,876,076.74/674,106.04
  6. Step 6: Final answer
    x = 592,603.91

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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.