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Finding the Fourth Proportional to 473,459.90, 710,289.59 and 153,586.79

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Solution

The fourth proportional to 473,459.90, 710,289.59 and 153,586.79 is: 230,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,459.90 : 710,289.59 = 153,586.79 : x
  2. Step 2: Convert to fraction form
    473,459.90/710,289.59 = 153,586.79/x
  3. Step 3: Cross multiply
    473,459.90x = 710,289.59 × 153,586.79
  4. Step 4: Simplify right side
    473,459.90x = 109,091,097,330.58
  5. Step 5: Solve for x
    x = 109,091,097,330.58/473,459.90
  6. Step 6: Final answer
    x = 230,412.54

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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.