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Finding the Fourth Proportional to 575,518.54, 794,186.36 and 317,440.40

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Solution

The fourth proportional to 575,518.54, 794,186.36 and 317,440.40 is: 438,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,518.54 : 794,186.36 = 317,440.40 : x
  2. Step 2: Convert to fraction form
    575,518.54/794,186.36 = 317,440.40/x
  3. Step 3: Cross multiply
    575,518.54x = 794,186.36 × 317,440.40
  4. Step 4: Simplify right side
    575,518.54x = 252,106,835,792.94
  5. Step 5: Solve for x
    x = 252,106,835,792.94/575,518.54
  6. Step 6: Final answer
    x = 438,051.63

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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.