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Finding the Fourth Proportional to 473,728.33, 653,717.55 and 258,870.16

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Solution

The fourth proportional to 473,728.33, 653,717.55 and 258,870.16 is: 357,225.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,728.33 : 653,717.55 = 258,870.16 : x
  2. Step 2: Convert to fraction form
    473,728.33/653,717.55 = 258,870.16/x
  3. Step 3: Cross multiply
    473,728.33x = 653,717.55 × 258,870.16
  4. Step 4: Simplify right side
    473,728.33x = 169,227,966,763.31
  5. Step 5: Solve for x
    x = 169,227,966,763.31/473,728.33
  6. Step 6: Final answer
    x = 357,225.77

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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.