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Finding the Fourth Proportional to 575,188.46, 793,725.20 and 317,054.12

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Solution

The fourth proportional to 575,188.46, 793,725.20 and 317,054.12 is: 437,515.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,188.46 : 793,725.20 = 317,054.12 : x
  2. Step 2: Convert to fraction form
    575,188.46/793,725.20 = 317,054.12/x
  3. Step 3: Cross multiply
    575,188.46x = 793,725.20 × 317,054.12
  4. Step 4: Simplify right side
    575,188.46x = 251,653,844,807.82
  5. Step 5: Solve for x
    x = 251,653,844,807.82/575,188.46
  6. Step 6: Final answer
    x = 437,515.46

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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.