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Finding the Fourth Proportional to 525,448.91, 785,294.34 and 383,592.92

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Solution

The fourth proportional to 525,448.91, 785,294.34 and 383,592.92 is: 573,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,448.91 : 785,294.34 = 383,592.92 : x
  2. Step 2: Convert to fraction form
    525,448.91/785,294.34 = 383,592.92/x
  3. Step 3: Cross multiply
    525,448.91x = 785,294.34 × 383,592.92
  4. Step 4: Simplify right side
    525,448.91x = 301,233,343,575.13
  5. Step 5: Solve for x
    x = 301,233,343,575.13/525,448.91
  6. Step 6: Final answer
    x = 573,287.60

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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.