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Finding the Fourth Proportional to 500,979.51, 750,223.35 and 350,515.40

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Solution

The fourth proportional to 500,979.51, 750,223.35 and 350,515.40 is: 524,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,979.51 : 750,223.35 = 350,515.40 : x
  2. Step 2: Convert to fraction form
    500,979.51/750,223.35 = 350,515.40/x
  3. Step 3: Cross multiply
    500,979.51x = 750,223.35 × 350,515.40
  4. Step 4: Simplify right side
    500,979.51x = 262,964,833,863.47
  5. Step 5: Solve for x
    x = 262,964,833,863.47/500,979.51
  6. Step 6: Final answer
    x = 524,901.38

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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.