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Finding the Fourth Proportional to 618,085.80, 925,962.30 and 576,095.40

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Solution

The fourth proportional to 618,085.80, 925,962.30 and 576,095.40 is: 863,055.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,085.80 : 925,962.30 = 576,095.40 : x
  2. Step 2: Convert to fraction form
    618,085.80/925,962.30 = 576,095.40/x
  3. Step 3: Cross multiply
    618,085.80x = 925,962.30 × 576,095.40
  4. Step 4: Simplify right side
    618,085.80x = 533,442,621,603.42
  5. Step 5: Solve for x
    x = 533,442,621,603.42/618,085.80
  6. Step 6: Final answer
    x = 863,055.94

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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.