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Finding the Fourth Proportional to 346,404.48, 519,639.84 and 97,085.76

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Solution

The fourth proportional to 346,404.48, 519,639.84 and 97,085.76 is: 145,637.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,404.48 : 519,639.84 = 97,085.76 : x
  2. Step 2: Convert to fraction form
    346,404.48/519,639.84 = 97,085.76/x
  3. Step 3: Cross multiply
    346,404.48x = 519,639.84 × 97,085.76
  4. Step 4: Simplify right side
    346,404.48x = 50,449,628,792.68
  5. Step 5: Solve for x
    x = 50,449,628,792.68/346,404.48
  6. Step 6: Final answer
    x = 145,637.92

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1.5x scale

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.