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Finding the Fourth Proportional to 971,336.92, 1,341,290.90 and 609,383

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Solution

The fourth proportional to 971,336.92, 1,341,290.90 and 609,383 is: 841,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,336.92 : 1,341,290.90 = 609,383 : x
  2. Step 2: Convert to fraction form
    971,336.92/1,341,290.90 = 609,383/x
  3. Step 3: Cross multiply
    971,336.92x = 1,341,290.90 × 609,383
  4. Step 4: Simplify right side
    971,336.92x = 817,359,872,514.70
  5. Step 5: Solve for x
    x = 817,359,872,514.70/971,336.92
  6. Step 6: Final answer
    x = 841,479.26

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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.