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Finding the Fourth Proportional to 607,666.48, 838,508.25 and 335,718.16

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Solution

The fourth proportional to 607,666.48, 838,508.25 and 335,718.16 is: 463,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,666.48 : 838,508.25 = 335,718.16 : x
  2. Step 2: Convert to fraction form
    607,666.48/838,508.25 = 335,718.16/x
  3. Step 3: Cross multiply
    607,666.48x = 838,508.25 × 335,718.16
  4. Step 4: Simplify right side
    607,666.48x = 281,502,446,834.82
  5. Step 5: Solve for x
    x = 281,502,446,834.82/607,666.48
  6. Step 6: Final answer
    x = 463,251.56

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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.