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Finding the Fourth Proportional to 575,477.90, 863,465.61 and 308,927.14

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Solution

The fourth proportional to 575,477.90, 863,465.61 and 308,927.14 is: 463,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,477.90 : 863,465.61 = 308,927.14 : x
  2. Step 2: Convert to fraction form
    575,477.90/863,465.61 = 308,927.14/x
  3. Step 3: Cross multiply
    575,477.90x = 863,465.61 × 308,927.14
  4. Step 4: Simplify right side
    575,477.90x = 266,747,961,385.66
  5. Step 5: Solve for x
    x = 266,747,961,385.66/575,477.90
  6. Step 6: Final answer
    x = 463,524.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.