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Finding the Fourth Proportional to 606,596.58, 909,156.96 and 429,154.74

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Solution

The fourth proportional to 606,596.58, 909,156.96 and 429,154.74 is: 643,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,596.58 : 909,156.96 = 429,154.74 : x
  2. Step 2: Convert to fraction form
    606,596.58/909,156.96 = 429,154.74/x
  3. Step 3: Cross multiply
    606,596.58x = 909,156.96 × 429,154.74
  4. Step 4: Simplify right side
    606,596.58x = 390,169,018,787.99
  5. Step 5: Solve for x
    x = 390,169,018,787.99/606,596.58
  6. Step 6: Final answer
    x = 643,210.05

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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.