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Finding the Fourth Proportional to 521,488.95, 719,595.26 and 292,014.33

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Solution

The fourth proportional to 521,488.95, 719,595.26 and 292,014.33 is: 402,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,488.95 : 719,595.26 = 292,014.33 : x
  2. Step 2: Convert to fraction form
    521,488.95/719,595.26 = 292,014.33/x
  3. Step 3: Cross multiply
    521,488.95x = 719,595.26 × 292,014.33
  4. Step 4: Simplify right side
    521,488.95x = 210,132,127,720.08
  5. Step 5: Solve for x
    x = 210,132,127,720.08/521,488.95
  6. Step 6: Final answer
    x = 402,946.46

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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.