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Finding the Fourth Proportional to 448,710, 619,263.54 and 247,506

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Solution

The fourth proportional to 448,710, 619,263.54 and 247,506 is: 341,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,710 : 619,263.54 = 247,506 : x
  2. Step 2: Convert to fraction form
    448,710/619,263.54 = 247,506/x
  3. Step 3: Cross multiply
    448,710x = 619,263.54 × 247,506
  4. Step 4: Simplify right side
    448,710x = 153,271,441,731.24
  5. Step 5: Solve for x
    x = 153,271,441,731.24/448,710
  6. Step 6: Final answer
    x = 341,582.41

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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.