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Finding the Fourth Proportional to 693,235.19, 956,500.55 and 402,674.14

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Solution

The fourth proportional to 693,235.19, 956,500.55 and 402,674.14 is: 555,595.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,235.19 : 956,500.55 = 402,674.14 : x
  2. Step 2: Convert to fraction form
    693,235.19/956,500.55 = 402,674.14/x
  3. Step 3: Cross multiply
    693,235.19x = 956,500.55 × 402,674.14
  4. Step 4: Simplify right side
    693,235.19x = 385,158,037,073.06
  5. Step 5: Solve for x
    x = 385,158,037,073.06/693,235.19
  6. Step 6: Final answer
    x = 555,595.04

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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.