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Finding the Fourth Proportional to 536,319.04, 740,100 and 297,870.40

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Solution

The fourth proportional to 536,319.04, 740,100 and 297,870.40 is: 411,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,319.04 : 740,100 = 297,870.40 : x
  2. Step 2: Convert to fraction form
    536,319.04/740,100 = 297,870.40/x
  3. Step 3: Cross multiply
    536,319.04x = 740,100 × 297,870.40
  4. Step 4: Simplify right side
    536,319.04x = 220,453,883,040.00
  5. Step 5: Solve for x
    x = 220,453,883,040.00/536,319.04
  6. Step 6: Final answer
    x = 411,049.89

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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.