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Finding the Fourth Proportional to 425,018.07, 586,506.02 and 243,599.94

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Solution

The fourth proportional to 425,018.07, 586,506.02 and 243,599.94 is: 336,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,018.07 : 586,506.02 = 243,599.94 : x
  2. Step 2: Convert to fraction form
    425,018.07/586,506.02 = 243,599.94/x
  3. Step 3: Cross multiply
    425,018.07x = 586,506.02 × 243,599.94
  4. Step 4: Simplify right side
    425,018.07x = 142,872,830,063.64
  5. Step 5: Solve for x
    x = 142,872,830,063.64/425,018.07
  6. Step 6: Final answer
    x = 336,157.07

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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.