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Finding the Fourth Proportional to 704,482.84, 972,186.68 and 382,192.86

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Solution

The fourth proportional to 704,482.84, 972,186.68 and 382,192.86 is: 527,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,482.84 : 972,186.68 = 382,192.86 : x
  2. Step 2: Convert to fraction form
    704,482.84/972,186.68 = 382,192.86/x
  3. Step 3: Cross multiply
    704,482.84x = 972,186.68 × 382,192.86
  4. Step 4: Simplify right side
    704,482.84x = 371,562,803,006.54
  5. Step 5: Solve for x
    x = 371,562,803,006.54/704,482.84
  6. Step 6: Final answer
    x = 527,426.33

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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.