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Finding the Fourth Proportional to 607,810.20, 911,715.30 and 572,818.20

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Solution

The fourth proportional to 607,810.20, 911,715.30 and 572,818.20 is: 859,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,810.20 : 911,715.30 = 572,818.20 : x
  2. Step 2: Convert to fraction form
    607,810.20/911,715.30 = 572,818.20/x
  3. Step 3: Cross multiply
    607,810.20x = 911,715.30 × 572,818.20
  4. Step 4: Simplify right side
    607,810.20x = 522,247,117,058.46
  5. Step 5: Solve for x
    x = 522,247,117,058.46/607,810.20
  6. Step 6: Final answer
    x = 859,227.30

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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.