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Finding the Fourth Proportional to 601,448.80, 830,087.76 and 346,750.24

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Solution

The fourth proportional to 601,448.80, 830,087.76 and 346,750.24 is: 478,566.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,448.80 : 830,087.76 = 346,750.24 : x
  2. Step 2: Convert to fraction form
    601,448.80/830,087.76 = 346,750.24/x
  3. Step 3: Cross multiply
    601,448.80x = 830,087.76 × 346,750.24
  4. Step 4: Simplify right side
    601,448.80x = 287,833,130,001.06
  5. Step 5: Solve for x
    x = 287,833,130,001.06/601,448.80
  6. Step 6: Final answer
    x = 478,566.31

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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.