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Finding the Fourth Proportional to 575,292.42, 793,907.46 and 320,660.28

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Solution

The fourth proportional to 575,292.42, 793,907.46 and 320,660.28 is: 442,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,292.42 : 793,907.46 = 320,660.28 : x
  2. Step 2: Convert to fraction form
    575,292.42/793,907.46 = 320,660.28/x
  3. Step 3: Cross multiply
    575,292.42x = 793,907.46 × 320,660.28
  4. Step 4: Simplify right side
    575,292.42x = 254,574,588,417.69
  5. Step 5: Solve for x
    x = 254,574,588,417.69/575,292.42
  6. Step 6: Final answer
    x = 442,513.37

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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.