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Finding the Fourth Proportional to 576,117.40, 805,514.60 and 576,117.40

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Solution

The fourth proportional to 576,117.40, 805,514.60 and 576,117.40 is: 805,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,117.40 : 805,514.60 = 576,117.40 : x
  2. Step 2: Convert to fraction form
    576,117.40/805,514.60 = 576,117.40/x
  3. Step 3: Cross multiply
    576,117.40x = 805,514.60 × 576,117.40
  4. Step 4: Simplify right side
    576,117.40x = 464,070,977,014.04
  5. Step 5: Solve for x
    x = 464,070,977,014.04/576,117.40
  6. Step 6: Final answer
    x = 805,514.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.