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Finding the Fourth Proportional to 557,567.40, 837,007.20 and 553,630.80

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Solution

The fourth proportional to 557,567.40, 837,007.20 and 553,630.80 is: 831,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,567.40 : 837,007.20 = 553,630.80 : x
  2. Step 2: Convert to fraction form
    557,567.40/837,007.20 = 553,630.80/x
  3. Step 3: Cross multiply
    557,567.40x = 837,007.20 × 553,630.80
  4. Step 4: Simplify right side
    557,567.40x = 463,392,965,741.76
  5. Step 5: Solve for x
    x = 463,392,965,741.76/557,567.40
  6. Step 6: Final answer
    x = 831,097.67

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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.