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Finding the Fourth Proportional to 528,145.65, 792,019.52 and 191,102.93

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Solution

The fourth proportional to 528,145.65, 792,019.52 and 191,102.93 is: 286,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,145.65 : 792,019.52 = 191,102.93 : x
  2. Step 2: Convert to fraction form
    528,145.65/792,019.52 = 191,102.93/x
  3. Step 3: Cross multiply
    528,145.65x = 792,019.52 × 191,102.93
  4. Step 4: Simplify right side
    528,145.65x = 151,357,249,660.29
  5. Step 5: Solve for x
    x = 151,357,249,660.29/528,145.65
  6. Step 6: Final answer
    x = 286,582.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.