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Finding the Fourth Proportional to 571,885.39, 788,554.74 and 364,876.80

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Solution

The fourth proportional to 571,885.39, 788,554.74 and 364,876.80 is: 503,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,885.39 : 788,554.74 = 364,876.80 : x
  2. Step 2: Convert to fraction form
    571,885.39/788,554.74 = 364,876.80/x
  3. Step 3: Cross multiply
    571,885.39x = 788,554.74 × 364,876.80
  4. Step 4: Simplify right side
    571,885.39x = 287,725,333,002.86
  5. Step 5: Solve for x
    x = 287,725,333,002.86/571,885.39
  6. Step 6: Final answer
    x = 503,117.13

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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.