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Finding the Fourth Proportional to 525,802.10, 788,703.15 and 146,722.10

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Solution

The fourth proportional to 525,802.10, 788,703.15 and 146,722.10 is: 220,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,802.10 : 788,703.15 = 146,722.10 : x
  2. Step 2: Convert to fraction form
    525,802.10/788,703.15 = 146,722.10/x
  3. Step 3: Cross multiply
    525,802.10x = 788,703.15 × 146,722.10
  4. Step 4: Simplify right side
    525,802.10x = 115,720,182,444.62
  5. Step 5: Solve for x
    x = 115,720,182,444.62/525,802.10
  6. Step 6: Final answer
    x = 220,083.15

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.