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Finding the Fourth Proportional to 651,129.58, 898,870.70 and 433,700.07

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Solution

The fourth proportional to 651,129.58, 898,870.70 and 433,700.07 is: 598,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,129.58 : 898,870.70 = 433,700.07 : x
  2. Step 2: Convert to fraction form
    651,129.58/898,870.70 = 433,700.07/x
  3. Step 3: Cross multiply
    651,129.58x = 898,870.70 × 433,700.07
  4. Step 4: Simplify right side
    651,129.58x = 389,840,285,510.95
  5. Step 5: Solve for x
    x = 389,840,285,510.95/651,129.58
  6. Step 6: Final answer
    x = 598,713.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.