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Finding the Fourth Proportional to 1,048,429, 1,572,644.58 and 260,461

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Solution

The fourth proportional to 1,048,429, 1,572,644.58 and 260,461 is: 390,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,429 : 1,572,644.58 = 260,461 : x
  2. Step 2: Convert to fraction form
    1,048,429/1,572,644.58 = 260,461/x
  3. Step 3: Cross multiply
    1,048,429x = 1,572,644.58 × 260,461
  4. Step 4: Simplify right side
    1,048,429x = 409,612,579,951.38
  5. Step 5: Solve for x
    x = 409,612,579,951.38/1,048,429
  6. Step 6: Final answer
    x = 390,691.77

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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.