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Finding the Fourth Proportional to 575,456.62, 794,111.95 and 317,344.45

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Solution

The fourth proportional to 575,456.62, 794,111.95 and 317,344.45 is: 437,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,456.62 : 794,111.95 = 317,344.45 : x
  2. Step 2: Convert to fraction form
    575,456.62/794,111.95 = 317,344.45/x
  3. Step 3: Cross multiply
    575,456.62x = 794,111.95 × 317,344.45
  4. Step 4: Simplify right side
    575,456.62x = 252,007,020,011.18
  5. Step 5: Solve for x
    x = 252,007,020,011.18/575,456.62
  6. Step 6: Final answer
    x = 437,925.31

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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.