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Finding the Fourth Proportional to 575,364.72, 793,678.16 and 360,131.10

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Solution

The fourth proportional to 575,364.72, 793,678.16 and 360,131.10 is: 496,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,364.72 : 793,678.16 = 360,131.10 : x
  2. Step 2: Convert to fraction form
    575,364.72/793,678.16 = 360,131.10/x
  3. Step 3: Cross multiply
    575,364.72x = 793,678.16 × 360,131.10
  4. Step 4: Simplify right side
    575,364.72x = 285,828,188,806.78
  5. Step 5: Solve for x
    x = 285,828,188,806.78/575,364.72
  6. Step 6: Final answer
    x = 496,777.40

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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.