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Finding the Fourth Proportional to 584,987.16, 807,276.06 and 330,323.16

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Solution

The fourth proportional to 584,987.16, 807,276.06 and 330,323.16 is: 455,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,987.16 : 807,276.06 = 330,323.16 : x
  2. Step 2: Convert to fraction form
    584,987.16/807,276.06 = 330,323.16/x
  3. Step 3: Cross multiply
    584,987.16x = 807,276.06 × 330,323.16
  4. Step 4: Simplify right side
    584,987.16x = 266,661,979,131.55
  5. Step 5: Solve for x
    x = 266,661,979,131.55/584,987.16
  6. Step 6: Final answer
    x = 455,842.45

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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.