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Finding the Fourth Proportional to 575,348.72, 794,074.80 and 346,137.68

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Solution

The fourth proportional to 575,348.72, 794,074.80 and 346,137.68 is: 477,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,348.72 : 794,074.80 = 346,137.68 : x
  2. Step 2: Convert to fraction form
    575,348.72/794,074.80 = 346,137.68/x
  3. Step 3: Cross multiply
    575,348.72x = 794,074.80 × 346,137.68
  4. Step 4: Simplify right side
    575,348.72x = 274,859,209,018.46
  5. Step 5: Solve for x
    x = 274,859,209,018.46/575,348.72
  6. Step 6: Final answer
    x = 477,726.29

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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.