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Finding the Fourth Proportional to 575,437.51, 794,151.03 and 317,364.94

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Solution

The fourth proportional to 575,437.51, 794,151.03 and 317,364.94 is: 437,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,437.51 : 794,151.03 = 317,364.94 : x
  2. Step 2: Convert to fraction form
    575,437.51/794,151.03 = 317,364.94/x
  3. Step 3: Cross multiply
    575,437.51x = 794,151.03 × 317,364.94
  4. Step 4: Simplify right side
    575,437.51x = 252,035,693,986.89
  5. Step 5: Solve for x
    x = 252,035,693,986.89/575,437.51
  6. Step 6: Final answer
    x = 437,989.69

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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.