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Finding the Fourth Proportional to 637,754.04, 956,631.06 and 555,639.48

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Solution

The fourth proportional to 637,754.04, 956,631.06 and 555,639.48 is: 833,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,754.04 : 956,631.06 = 555,639.48 : x
  2. Step 2: Convert to fraction form
    637,754.04/956,631.06 = 555,639.48/x
  3. Step 3: Cross multiply
    637,754.04x = 956,631.06 × 555,639.48
  4. Step 4: Simplify right side
    637,754.04x = 531,541,984,730.25
  5. Step 5: Solve for x
    x = 531,541,984,730.25/637,754.04
  6. Step 6: Final answer
    x = 833,459.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.