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Finding the Fourth Proportional to 407,547.48, 562,417.50 and 254,674.44

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Solution

The fourth proportional to 407,547.48, 562,417.50 and 254,674.44 is: 351,451.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,547.48 : 562,417.50 = 254,674.44 : x
  2. Step 2: Convert to fraction form
    407,547.48/562,417.50 = 254,674.44/x
  3. Step 3: Cross multiply
    407,547.48x = 562,417.50 × 254,674.44
  4. Step 4: Simplify right side
    407,547.48x = 143,233,361,858.70
  5. Step 5: Solve for x
    x = 143,233,361,858.70/407,547.48
  6. Step 6: Final answer
    x = 351,451.96

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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.