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Finding the Fourth Proportional to 630,564.40, 945,846.60 and 572,503.60

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Solution

The fourth proportional to 630,564.40, 945,846.60 and 572,503.60 is: 858,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,564.40 : 945,846.60 = 572,503.60 : x
  2. Step 2: Convert to fraction form
    630,564.40/945,846.60 = 572,503.60/x
  3. Step 3: Cross multiply
    630,564.40x = 945,846.60 × 572,503.60
  4. Step 4: Simplify right side
    630,564.40x = 541,500,583,547.76
  5. Step 5: Solve for x
    x = 541,500,583,547.76/630,564.40
  6. Step 6: Final answer
    x = 858,755.40

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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.