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Finding the Fourth Proportional to 575,547.48, 794,255.54 and 320,898.69

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Solution

The fourth proportional to 575,547.48, 794,255.54 and 320,898.69 is: 442,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,547.48 : 794,255.54 = 320,898.69 : x
  2. Step 2: Convert to fraction form
    575,547.48/794,255.54 = 320,898.69/x
  3. Step 3: Cross multiply
    575,547.48x = 794,255.54 × 320,898.69
  4. Step 4: Simplify right side
    575,547.48x = 254,875,560,706.75
  5. Step 5: Solve for x
    x = 254,875,560,706.75/575,547.48
  6. Step 6: Final answer
    x = 442,840.20

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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.