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Finding the Fourth Proportional to 575,040.77, 793,561.64 and 316,927.17

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Solution

The fourth proportional to 575,040.77, 793,561.64 and 316,927.17 is: 437,362.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,040.77 : 793,561.64 = 316,927.17 : x
  2. Step 2: Convert to fraction form
    575,040.77/793,561.64 = 316,927.17/x
  3. Step 3: Cross multiply
    575,040.77x = 793,561.64 × 316,927.17
  4. Step 4: Simplify right side
    575,040.77x = 251,501,243,201.12
  5. Step 5: Solve for x
    x = 251,501,243,201.12/575,040.77
  6. Step 6: Final answer
    x = 437,362.46

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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.