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Finding the Fourth Proportional to 575,193.60, 793,801.86 and 317,070.21

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Solution

The fourth proportional to 575,193.60, 793,801.86 and 317,070.21 is: 437,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,193.60 : 793,801.86 = 317,070.21 : x
  2. Step 2: Convert to fraction form
    575,193.60/793,801.86 = 317,070.21/x
  3. Step 3: Cross multiply
    575,193.60x = 793,801.86 × 317,070.21
  4. Step 4: Simplify right side
    575,193.60x = 251,690,922,448.59
  5. Step 5: Solve for x
    x = 251,690,922,448.59/575,193.60
  6. Step 6: Final answer
    x = 437,576.01

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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.