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Finding the Fourth Proportional to 572,630.58, 790,302.69 and 346,275.54

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Solution

The fourth proportional to 572,630.58, 790,302.69 and 346,275.54 is: 477,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,630.58 : 790,302.69 = 346,275.54 : x
  2. Step 2: Convert to fraction form
    572,630.58/790,302.69 = 346,275.54/x
  3. Step 3: Cross multiply
    572,630.58x = 790,302.69 × 346,275.54
  4. Step 4: Simplify right side
    572,630.58x = 273,662,490,743.20
  5. Step 5: Solve for x
    x = 273,662,490,743.20/572,630.58
  6. Step 6: Final answer
    x = 477,904.08

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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.