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Finding the Fourth Proportional to 574,480,276.90, 861,720,415.35 and 574,480,276.90

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Solution

The fourth proportional to 574,480,276.90, 861,720,415.35 and 574,480,276.90 is: 861,720,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,480,276.90 : 861,720,415.35 = 574,480,276.90 : x
  2. Step 2: Convert to fraction form
    574,480,276.90/861,720,415.35 = 574,480,276.90/x
  3. Step 3: Cross multiply
    574,480,276.90x = 861,720,415.35 × 574,480,276.90
  4. Step 4: Simplify right side
    574,480,276.90x = 495,041,382,820,651,008
  5. Step 5: Solve for x
    x = 495,041,382,820,651,008/574,480,276.90
  6. Step 6: Final answer
    x = 861,720,415.35

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Double scale
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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.