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Finding the Fourth Proportional to 704,840.84, 972,681.27 and 382,550.90

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Solution

The fourth proportional to 704,840.84, 972,681.27 and 382,550.90 is: 527,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,840.84 : 972,681.27 = 382,550.90 : x
  2. Step 2: Convert to fraction form
    704,840.84/972,681.27 = 382,550.90/x
  3. Step 3: Cross multiply
    704,840.84x = 972,681.27 × 382,550.90
  4. Step 4: Simplify right side
    704,840.84x = 372,100,095,251.64
  5. Step 5: Solve for x
    x = 372,100,095,251.64/704,840.84
  6. Step 6: Final answer
    x = 527,920.74

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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.