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Finding the Fourth Proportional to 704,808.13, 972,627.12 and 382,518.45

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Solution

The fourth proportional to 704,808.13, 972,627.12 and 382,518.45 is: 527,871.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,808.13 : 972,627.12 = 382,518.45 : x
  2. Step 2: Convert to fraction form
    704,808.13/972,627.12 = 382,518.45/x
  3. Step 3: Cross multiply
    704,808.13x = 972,627.12 × 382,518.45
  4. Step 4: Simplify right side
    704,808.13x = 372,047,818,370.36
  5. Step 5: Solve for x
    x = 372,047,818,370.36/704,808.13
  6. Step 6: Final answer
    x = 527,871.07

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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.