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Finding the Fourth Proportional to 517,497.04, 714,153.98 and 288,056.85

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Solution

The fourth proportional to 517,497.04, 714,153.98 and 288,056.85 is: 397,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,497.04 : 714,153.98 = 288,056.85 : x
  2. Step 2: Convert to fraction form
    517,497.04/714,153.98 = 288,056.85/x
  3. Step 3: Cross multiply
    517,497.04x = 714,153.98 × 288,056.85
  4. Step 4: Simplify right side
    517,497.04x = 205,716,943,935.83
  5. Step 5: Solve for x
    x = 205,716,943,935.83/517,497.04
  6. Step 6: Final answer
    x = 397,522.94

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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.