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Finding the Fourth Proportional to 535,973.32, 802,909.14 and 310,860.82

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Solution

The fourth proportional to 535,973.32, 802,909.14 and 310,860.82 is: 465,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,973.32 : 802,909.14 = 310,860.82 : x
  2. Step 2: Convert to fraction form
    535,973.32/802,909.14 = 310,860.82/x
  3. Step 3: Cross multiply
    535,973.32x = 802,909.14 × 310,860.82
  4. Step 4: Simplify right side
    535,973.32x = 249,592,993,645.90
  5. Step 5: Solve for x
    x = 249,592,993,645.90/535,973.32
  6. Step 6: Final answer
    x = 465,681.75

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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.