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Finding the Fourth Proportional to 575,361.72, 793,980.90 and 360,617.76

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Solution

The fourth proportional to 575,361.72, 793,980.90 and 360,617.76 is: 497,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,361.72 : 793,980.90 = 360,617.76 : x
  2. Step 2: Convert to fraction form
    575,361.72/793,980.90 = 360,617.76/x
  3. Step 3: Cross multiply
    575,361.72x = 793,980.90 × 360,617.76
  4. Step 4: Simplify right side
    575,361.72x = 286,323,613,640.78
  5. Step 5: Solve for x
    x = 286,323,613,640.78/575,361.72
  6. Step 6: Final answer
    x = 497,641.06

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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.