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Finding the Fourth Proportional to 525,470.71, 788,316.77 and 170,457.01

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Solution

The fourth proportional to 525,470.71, 788,316.77 and 170,457.01 is: 255,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,470.71 : 788,316.77 = 170,457.01 : x
  2. Step 2: Convert to fraction form
    525,470.71/788,316.77 = 170,457.01/x
  3. Step 3: Cross multiply
    525,470.71x = 788,316.77 × 170,457.01
  4. Step 4: Simplify right side
    525,470.71x = 134,374,119,547.06
  5. Step 5: Solve for x
    x = 134,374,119,547.06/525,470.71
  6. Step 6: Final answer
    x = 255,721.43

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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.