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Finding the Fourth Proportional to 369,243, 550,966.32 and 346,673.16

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Solution

The fourth proportional to 369,243, 550,966.32 and 346,673.16 is: 517,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,243 : 550,966.32 = 346,673.16 : x
  2. Step 2: Convert to fraction form
    369,243/550,966.32 = 346,673.16/x
  3. Step 3: Cross multiply
    369,243x = 550,966.32 × 346,673.16
  4. Step 4: Simplify right side
    369,243x = 191,005,235,207.97
  5. Step 5: Solve for x
    x = 191,005,235,207.97/369,243
  6. Step 6: Final answer
    x = 517,288.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.