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Finding the Fourth Proportional to 575,723.40, 863,585.10 and 201,746.40

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Solution

The fourth proportional to 575,723.40, 863,585.10 and 201,746.40 is: 302,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,723.40 : 863,585.10 = 201,746.40 : x
  2. Step 2: Convert to fraction form
    575,723.40/863,585.10 = 201,746.40/x
  3. Step 3: Cross multiply
    575,723.40x = 863,585.10 × 201,746.40
  4. Step 4: Simplify right side
    575,723.40x = 174,225,185,018.64
  5. Step 5: Solve for x
    x = 174,225,185,018.64/575,723.40
  6. Step 6: Final answer
    x = 302,619.60

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Similar ratio
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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.