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Finding the Fourth Proportional to 577,031.70, 865,547.55 and 150,566.70

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Solution

The fourth proportional to 577,031.70, 865,547.55 and 150,566.70 is: 225,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,031.70 : 865,547.55 = 150,566.70 : x
  2. Step 2: Convert to fraction form
    577,031.70/865,547.55 = 150,566.70/x
  3. Step 3: Cross multiply
    577,031.70x = 865,547.55 × 150,566.70
  4. Step 4: Simplify right side
    577,031.70x = 130,322,638,296.59
  5. Step 5: Solve for x
    x = 130,322,638,296.59/577,031.70
  6. Step 6: Final answer
    x = 225,850.05

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Double scale
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Similar ratio
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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.