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Finding the Fourth Proportional to 972,526.40, 1,458,643.68 and 307,592

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Solution

The fourth proportional to 972,526.40, 1,458,643.68 and 307,592 is: 461,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,526.40 : 1,458,643.68 = 307,592 : x
  2. Step 2: Convert to fraction form
    972,526.40/1,458,643.68 = 307,592/x
  3. Step 3: Cross multiply
    972,526.40x = 1,458,643.68 × 307,592
  4. Step 4: Simplify right side
    972,526.40x = 448,667,126,818.56
  5. Step 5: Solve for x
    x = 448,667,126,818.56/972,526.40
  6. Step 6: Final answer
    x = 461,341.85

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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.