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Finding the Fourth Proportional to 447,019.58, 616,878.24 and 243,068.77

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Solution

The fourth proportional to 447,019.58, 616,878.24 and 243,068.77 is: 335,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,019.58 : 616,878.24 = 243,068.77 : x
  2. Step 2: Convert to fraction form
    447,019.58/616,878.24 = 243,068.77/x
  3. Step 3: Cross multiply
    447,019.58x = 616,878.24 × 243,068.77
  4. Step 4: Simplify right side
    447,019.58x = 149,943,835,036.57
  5. Step 5: Solve for x
    x = 149,943,835,036.57/447,019.58
  6. Step 6: Final answer
    x = 335,430.13

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1.5x scale

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.