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Finding the Fourth Proportional to 572,347.55, 789,842.67 and 357,612.14

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Solution

The fourth proportional to 572,347.55, 789,842.67 and 357,612.14 is: 493,506.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,347.55 : 789,842.67 = 357,612.14 : x
  2. Step 2: Convert to fraction form
    572,347.55/789,842.67 = 357,612.14/x
  3. Step 3: Cross multiply
    572,347.55x = 789,842.67 × 357,612.14
  4. Step 4: Simplify right side
    572,347.55x = 282,457,327,482.01
  5. Step 5: Solve for x
    x = 282,457,327,482.01/572,347.55
  6. Step 6: Final answer
    x = 493,506.66

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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.