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Finding the Fourth Proportional to 574,368.95, 862,085.36 and 290,259.42

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Solution

The fourth proportional to 574,368.95, 862,085.36 and 290,259.42 is: 435,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,368.95 : 862,085.36 = 290,259.42 : x
  2. Step 2: Convert to fraction form
    574,368.95/862,085.36 = 290,259.42/x
  3. Step 3: Cross multiply
    574,368.95x = 862,085.36 × 290,259.42
  4. Step 4: Simplify right side
    574,368.95x = 250,228,395,132.79
  5. Step 5: Solve for x
    x = 250,228,395,132.79/574,368.95
  6. Step 6: Final answer
    x = 435,657.95

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1.5x scale

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.