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Finding the Fourth Proportional to 421,594.92, 581,997.06 and 249,458.76

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Solution

The fourth proportional to 421,594.92, 581,997.06 and 249,458.76 is: 344,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,594.92 : 581,997.06 = 249,458.76 : x
  2. Step 2: Convert to fraction form
    421,594.92/581,997.06 = 249,458.76/x
  3. Step 3: Cross multiply
    421,594.92x = 581,997.06 × 249,458.76
  4. Step 4: Simplify right side
    421,594.92x = 145,184,264,911.25
  5. Step 5: Solve for x
    x = 145,184,264,911.25/421,594.92
  6. Step 6: Final answer
    x = 344,369.10

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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.