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Finding the Fourth Proportional to 555,864.54, 829,728.85 and 477,482.46

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Solution

The fourth proportional to 555,864.54, 829,728.85 and 477,482.46 is: 712,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,864.54 : 829,728.85 = 477,482.46 : x
  2. Step 2: Convert to fraction form
    555,864.54/829,728.85 = 477,482.46/x
  3. Step 3: Cross multiply
    555,864.54x = 829,728.85 × 477,482.46
  4. Step 4: Simplify right side
    555,864.54x = 396,180,972,430.97
  5. Step 5: Solve for x
    x = 396,180,972,430.97/555,864.54
  6. Step 6: Final answer
    x = 712,729.35

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1.5x scale

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.