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Finding the Fourth Proportional to 411,752.16, 567,038.88 and 353,924.64

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Solution

The fourth proportional to 411,752.16, 567,038.88 and 353,924.64 is: 487,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,752.16 : 567,038.88 = 353,924.64 : x
  2. Step 2: Convert to fraction form
    411,752.16/567,038.88 = 353,924.64/x
  3. Step 3: Cross multiply
    411,752.16x = 567,038.88 × 353,924.64
  4. Step 4: Simplify right side
    411,752.16x = 200,689,031,470.00
  5. Step 5: Solve for x
    x = 200,689,031,470.00/411,752.16
  6. Step 6: Final answer
    x = 487,402.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.