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Finding the Fourth Proportional to 1,125,548, 1,688,322 and 337,580

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Solution

The fourth proportional to 1,125,548, 1,688,322 and 337,580 is: 506,370

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,548 : 1,688,322 = 337,580 : x
  2. Step 2: Convert to fraction form
    1,125,548/1,688,322 = 337,580/x
  3. Step 3: Cross multiply
    1,125,548x = 1,688,322 × 337,580
  4. Step 4: Simplify right side
    1,125,548x = 569,943,740,760
  5. Step 5: Solve for x
    x = 569,943,740,760/1,125,548
  6. Step 6: Final answer
    x = 506,370

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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.