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Finding the Fourth Proportional to 575,154.82, 793,719.20 and 317,041.74

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Solution

The fourth proportional to 575,154.82, 793,719.20 and 317,041.74 is: 437,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,154.82 : 793,719.20 = 317,041.74 : x
  2. Step 2: Convert to fraction form
    575,154.82/793,719.20 = 317,041.74/x
  3. Step 3: Cross multiply
    575,154.82x = 793,719.20 × 317,041.74
  4. Step 4: Simplify right side
    575,154.82x = 251,642,114,799.68
  5. Step 5: Solve for x
    x = 251,642,114,799.68/575,154.82
  6. Step 6: Final answer
    x = 437,520.66

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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.