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Finding the Fourth Proportional to 572,952.18, 855,222.59 and 530,728.50

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Solution

The fourth proportional to 572,952.18, 855,222.59 and 530,728.50 is: 792,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,952.18 : 855,222.59 = 530,728.50 : x
  2. Step 2: Convert to fraction form
    572,952.18/855,222.59 = 530,728.50/x
  3. Step 3: Cross multiply
    572,952.18x = 855,222.59 × 530,728.50
  4. Step 4: Simplify right side
    572,952.18x = 453,890,999,703.17
  5. Step 5: Solve for x
    x = 453,890,999,703.17/572,952.18
  6. Step 6: Final answer
    x = 792,197.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.