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Finding the Fourth Proportional to 357,617.15, 493,341.14 and 260,613.04

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Solution

The fourth proportional to 357,617.15, 493,341.14 and 260,613.04 is: 359,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,617.15 : 493,341.14 = 260,613.04 : x
  2. Step 2: Convert to fraction form
    357,617.15/493,341.14 = 260,613.04/x
  3. Step 3: Cross multiply
    357,617.15x = 493,341.14 × 260,613.04
  4. Step 4: Simplify right side
    357,617.15x = 128,571,130,482.70
  5. Step 5: Solve for x
    x = 128,571,130,482.70/357,617.15
  6. Step 6: Final answer
    x = 359,521.71

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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.