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Finding the Fourth Proportional to 704,799.75, 972,624.33 and 382,509.93

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Solution

The fourth proportional to 704,799.75, 972,624.33 and 382,509.93 is: 527,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,799.75 : 972,624.33 = 382,509.93 : x
  2. Step 2: Convert to fraction form
    704,799.75/972,624.33 = 382,509.93/x
  3. Step 3: Cross multiply
    704,799.75x = 972,624.33 × 382,509.93
  4. Step 4: Simplify right side
    704,799.75x = 372,038,465,859.88
  5. Step 5: Solve for x
    x = 372,038,465,859.88/704,799.75
  6. Step 6: Final answer
    x = 527,864.07

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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.