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Finding the Fourth Proportional to 560,613.34, 773,528.16 and 356,590

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Solution

The fourth proportional to 560,613.34, 773,528.16 and 356,590 is: 492,018.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,613.34 : 773,528.16 = 356,590 : x
  2. Step 2: Convert to fraction form
    560,613.34/773,528.16 = 356,590/x
  3. Step 3: Cross multiply
    560,613.34x = 773,528.16 × 356,590
  4. Step 4: Simplify right side
    560,613.34x = 275,832,406,574.40
  5. Step 5: Solve for x
    x = 275,832,406,574.40/560,613.34
  6. Step 6: Final answer
    x = 492,018.99

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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.