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Finding the Fourth Proportional to 575,897.80, 794,733.54 and 317,777.08

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Solution

The fourth proportional to 575,897.80, 794,733.54 and 317,777.08 is: 438,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,897.80 : 794,733.54 = 317,777.08 : x
  2. Step 2: Convert to fraction form
    575,897.80/794,733.54 = 317,777.08/x
  3. Step 3: Cross multiply
    575,897.80x = 794,733.54 × 317,777.08
  4. Step 4: Simplify right side
    575,897.80x = 252,548,103,719.26
  5. Step 5: Solve for x
    x = 252,548,103,719.26/575,897.80
  6. Step 6: Final answer
    x = 438,529.38

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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.