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Finding the Fourth Proportional to 525,547.13, 725,228.21 and 296,117.97

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Solution

The fourth proportional to 525,547.13, 725,228.21 and 296,117.97 is: 408,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,547.13 : 725,228.21 = 296,117.97 : x
  2. Step 2: Convert to fraction form
    525,547.13/725,228.21 = 296,117.97/x
  3. Step 3: Cross multiply
    525,547.13x = 725,228.21 × 296,117.97
  4. Step 4: Simplify right side
    525,547.13x = 214,753,103,851.34
  5. Step 5: Solve for x
    x = 214,753,103,851.34/525,547.13
  6. Step 6: Final answer
    x = 408,627.68

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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.